Home

Function of alveoli class 10 in points

Alveoli and nephron act as the structural and functional units of lungs and kidneys respectively. Alveoli occur in the respiratory system while the nephrons occur in the excretory system. The cell wall of alveoli and nephrons is thick and surrounded by blood capillaries When you're at rest, the alveoli send 10.1 ounces (0.3 liters) of oxygen to your blood per minute. To push the air in and out, your diaphragm and other muscles help create pressure inside your. Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. These tiny, balloon-shaped air sacs sit at the very end of the respiratory tree and are arranged in clusters throughout the lungs. Verywell / JR Be

The walls of the alveoli contain an extensive network of blood-vessels. As we have seen in earlier years, when we breathe in, we lift our ribs and flatten our diaphragm, and the chest cavity becomes larger as a result. Because of this, air is sucked into the lungs and fills the expanded alveoli A condition in which the alveoli become filled with fluid, preventing the exchange of gases lung cancer An irregular & uncontrolled growth of tumors in the lung tissue Measurement of Lung Capacity Figure 10.10 b)How are the alveoli designed to maximise the exchange of gases. Suggest any two features. Draw fig6.9 and explain the structure and function of alveoli 5.a) Draw a diagram of human alimentary canal. b) label the following on the diagram Oesophagus, liver gall bladder, duodenum c)What is the function of liver in human bod Respiratory System in humans. 1)Nose:There is a pair of external nostrils at the lower end of nose.The air enters through the nostrils.The air passing through nostrils is filtered by fine hairs that lines the passage.The passage is lined with mucus which help in this process

  1. Life Processes Class 10 Notes Science Chapter 6. CBSE Class 10 Science Notes Chapter 6 Life Processes Biology Pdf free download is part of Class 10 Science Notes for Quick Revision. Here we have given NCERT Class 10 Science Notes Chapter 6 Life Processes. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks
  2. SURFACTANTLines the inner layer of alveolar epithelium.Synthesized by SER of type II pneumocytes.Function -1. To reduce the surface tension of alveoli mainly during expiration, thus reduces the work of lung inflation.2. Waterproofing.Surfactant synthesis starts after 26 weeks offetal life
  3. Alveoli are the places where exchange of gases takes place. There are about 300-350 millions of alveoli in each lung. The alveoli are filled with air and they swell up. During inspiration, the ribs move up and diaphragm flattens which increases the surface area
  4. Life Processes Class 10 Important Questions and Answers Science Chapter 6. Very Short Answer Questions. Function. Alveoli perform exchange of gases between blood and inhaled air. State three points of difference between the transport of materials in xylem and phloem tissues
  5. Class 10 Biology Life Processes: Respiration: Respiration. Respiration is a process in which glucose is broken down with the help of oxygen and energy is released along with the production of carbon dioxide and water. Network of blood vessels are present in the alveoli
  6. The bronchioles end in clusters of tiny air sacs called alveoli. Air fills your lung's air sacs. Your lungs have about 150 million alveoli. Normally, your alveoli are elastic, meaning that their size and shape can change easily. Alveoli are able to easily expand and contract, because their insides are coated with a substance called surfactant

1. Structure of alveoli: (i) These are balloon like structures. (ii) These provide a surface where the exchange of gases can take place. Function: Alveoli absorbs oxygen and give up carbon dioxide. 2. Structure of Nephrons: Each kidney has large numbers of filtration units called nephrons packed close together. Function Alveoli, being small and sac-like structures, have an enormous surface area which provides more area for the exchange of gases. The alveolar walls are extremely thin which facilitates the diffusion of gases. The inner walls of the alveoli are lined with numerous blood vessels which ensures an adequate supply of oxygenated and deoxygenated blood Class 10 Science Chapter 6 Important Questions of Life Processes updated for new academic session 2021-22 based on new NCERT Textbooks and following the latest CBSE Curriculum for session 2021-2022. Important Questions for Class 10 Science is the collection of all the possible questions of Chapter 6 Science, which may be asked in exams It forms the lining of blood vessels,mouth,alveoli,nose,oesophagus,skin. It protects the parts of body from mechanical injury,entry of germs,chemicals,drying

Special cells in the alveoli produce a compound known as pulmonary surfactant. It is composed of lipids, proteins, and carbohydrates. Surfactant has both hydrophilic and hydrophobic regions... Alveoli: Can be called as air-bags, a balloon-like structure at the end of bronchioles. Lungs: these sack-like organs are protected by a membrane called pleura. Respiratory System Functions. The respiratory system function is a very important metabolic process in our body, that plays a crucial role in all living beings. Inhalation and Exhalation Life Processes Class 10 Extra Questions with Answers Science Chapter 6 October 15, 2020 September 24, 2020 by Laxmi In this page, you can find CBSE Class 10 Science Chapter 6 Extra Questions and Answers Life Processes Pdf free download, NCERT Extra Questions for Class 10 Science will make your practice complete

Alveoli: Function, Structures, and Lung Healt

Human Digestive system includes Gastrointestinal Tract and other accessory parts like the liver, intestines, glands, mouth, stomach, gallbladder. There are 6 main functions of the Human Digestive System Process: Ingestion, Motility, Secretion, Digestion, Absorption, Excretion.The food that you eat gives you not only the required energy and nutrients to the body but also is used for cell growth. The main function of alveoli is to provide sites for the gas exchange through the respiratory membrane in a process known as external respiration. Nephron serves as the basic filtration unit that produces urine from the blood. The wall of both alveoli and nephron is one-cell thick and surrounded by an extensive network of blood capillaries

Alveoli: Structure, Function, and Disorders of the Lung

Smoking. Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. These tiny, balloon-shaped air sacs sit at the very end of the respiratory tree and are arranged in clusters throughout the lungs. Verywell / JR Bee Alveoli (1)Alveoli are tiny ballon like structure present inside the lungs. (2)The walls of the alveoli are thick and it contains an extensive network of blood capillaries. (3)Its function is exchange of oxygen and carbon dioxide take place between the blood of capillaries that surround the alveoli and the gases present in the alveoli 4. Alveoli only provide surface for exchange of gases in the lungs. 5. Alveoli are very small and a large number of them are present in each lung. 1. Nephron have thin walled cup-shaped structure attached with thin walled tubule. 2. Bowman's capsule is supplied with a cluster of capillaries called glomerulus for filtration 17(i) (I What is the function of alveoli? a. This is where SARS-CoV-2, the virus that causes COVID-19 finally affects. b.This is where plasma, proteins and blood cells escapes in the tissues c. This is where oxygen goes into your blood and carbon dioxide comes out. d. Alveoli carries fat and drains excessive fluid back into the blood Class 10 Science Chapter 6 Extra Questions and Answers Life Processes. The respiratory unit of lungs are alveoli and excretory unit of kidneys are nephrons. Blood platelets help in the clotting of blood at the point of injury to prevent non-stop bleeding. Question 13

Life Processes Biology CBSE Class 10 ekShiksh

The lungs presentation. 1. THE LUNGS<br />. 2. The lung is the essential respiration organ in all air-breathing animals, including most tetra pods. In mammals and the more complex life forms, the two lungs are located in the chest on either side of the heart. Their principal function is to transport oxygen from the atmosphere into the. Large numbers of alveoli in the lungs provides a very large surface area for the exchange of gases. Walls of alveoli contain an extensive network of blood vessels. Walls of alveoli are extremely thin and made of single layer of cells. They have balloon-like structure that provide maximum surface area for exchange of gases There will be a syllabus quiz (10 points), 16 Mastering Biology Assignments (160 points) 15 multiple choice quizzes (300 points), 15 short answer quizzes (300 point), 5 discussions (180 points), and a final exam (200 points). Letter Grades will be assigned according to the total points earned in the course, out of 1150 total: A = 94-100%; A.

Respiratory System in humans Class 10, Life processe

Life Process CBSE Test Paper - 02 for class 10. 1. Point out of differences between an artery and vein. (1 mark) 1. Vessels which carry blood from the heart to various body parts. 2. Arteries carry oxygenated blood from the heart except pulmonary artery. 3. Arteries have thick elastic muscular walls CLASS: 10th. 1. The raw materials for photosynthesis are. (A) CO2 & O2 (B) sunlight and CO2 (C) water and chlorophyll (D) CO2 and water. 2. Most of the photosynthesis (80%) which takes place on this earth is carried out by. (A) green plants on land (B) algae found in ocean 10. Mechanisms of breathing - expiration 11. Gas exchange at the alveoli The alveoli are bunches of tiny air sacks inside the lungs. Each individual sack is called an alveolus. When you breathe in, they fill with air. The alveoli are covered in tiny capillaries (blood vessels) Function of the Pharynx. The small tubular structure located right behind the nasal cavity, the pharynx works by letting the inhaled air pass into the next part of the respiratory tract, the larynx [9].. Function of the Larynx. It has a simple, yet important purpose in respiration, to let the inhaled air pass into the trachea, and the exhaled air out toward the pharynx and nasal cavity [10]

Life Processes Class 10 Notes Science Chapter 6 - Learn CBS

Class 10 Science Life ProcessesShort Answer Type 1. Q. Why do herbivores have longer, small intestines than carnivores? Answer - The length of the small intestine differs in various animals depending on the type of food they eat.Cellulose is a carbohydrate food which is digested with difficulty Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning Draw the structure of a neuron and explain its function. 10 ncert solutions class 11 ncert solutions class 12 ncert solutions class 9 ncert solutions class XII ncert solutions for class 10 ncert solutions for class. Alveoli The alveoli are moist, thin-walled pockets which are the site of gas exchange. A slightly oily surfactant prevents the alveolar walls from collapsing and sticking together. Circulation and Gas Exchange Recall the interconnection between circulation and the respiratory system The exchange of gases takes place between the blood of the capillaries and the gases present in the alveoli. Thus alveoli are the site for exchange of gases. During the process of inhalation, the lungs get filled up with air as ribs are lifted up and the diaphragm is flattened. Air is sucked into the lungs and fills the expanded alveoli

Lung anatomy. - SlideShar

It is the production of food with the help of sunlight. • Photosynthesis equation-. 6CO 2 +6H 2 O give C 6 H 12 O 6 +6O 2. • Events of photosynthesis are as follows: Absorption of light energy chlorophyll which is the green pigment and gives energy for activation of reaction. Then the splitting of water into its constituent's hydrogen and. 1 points. Direct indirect speech - You said, It gives me great pleasure to be with my friend, we have great time ever.. You said that it gave him great pleasure to be with his friend we had great time ever. You said that it gave you great pleasure to be with your friend you had great time ever Important things to know about the alveoli is that there's a fluid on the internal surface called surfactant that helps to keep the alveoli open and keep them from collapsing. There are also macrophages, which are a type of white blood cell, inside the alveoli to help protect us from foreign particles in the air From this activity, the students will learn about the parts of the lungs and the function of each part. The respiratory system is divided into two tracts: upper respiratory tract and lower respiratory tract. The upper respiratory tract consists of the nose, mouth, pharynx, epiglottis, larynx, and trachea To supply the body with oxygen and dispose of carbon dioxide. Four processes must occur to accomplish this. Pulmonary ventilation (air into and out of lungs) External respiration. (gas exchange between lungs and blood) Transport (to cells) Internal respiration. (gas exchange between blood and cells) Respiration

• Terminal air sacs called alveoli surrounded by a net-work of capillaries that provide for gas exchange • A thoracic cage that houses, protects, and facilitates the function of the system • Muscles of breathing that include the main muscle, the diaphragm, and accessory muscles Please take a few minutes to look at FIGURE 14-1 . W NCERT Solutions for 10 Science Chapter 6 question answers which are given inside the book and at the end of chapters are given below. All the solutions are free to use and updated for new academic session 2021-22. NCERT Solutions Offline Apps for class 10 Science in Hindi and English Medium based on latest CBSE Syllabus 2021-22 are available to. The bronchioles end in clusters of tiny air sacs called alveoli. Air fills your lung's air sacs. Your lungs have about 150 million alveoli. Normally, your alveoli are elastic, meaning that their size and shape can change easily. Alveoli are able to easily expand and contract, because their insides are coated with a substance called surfactant Exchanging Oxygen and Carbon Dioxide. The primary function of the respiratory system is to take in oxygen and eliminate carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli. The layers of cells lining the alveoli and the surrounding capillaries are each only one cell thick and are in very close contact with each other Compare the function of alveoli in the lungs and nephron in the Kidneys with respect to their structure and function asked Sep 6, 2018 in Class X Science by Aryansinghkaurav ( 16 points) 0 vote

Correct answer to the question Question 6 (4 points) The exchange of oxygen and carbon dioxide between the body and the air occurs in the cells of the lungs, Where would this exchange happen in the cell? Help:( - e-eduanswers.co List two vital functions of the human kidney. Draw a labelled diagram of an artificial kidney. List three points of distinction between aerobic and anaerobic respiration. Name the three kinds of blood vessels of human circulatory system. Write the function of each. Give three points of difference between respiration in plants and respiration in. 0 energy points. Science · High school it would basically on a microscope it would look like a bunch of little sacks like this and these sacs we call these alveoli alveoli and the air actually kind of runs into the alveoli it has a dead end and then it comes back around and then you breathe it out so that's how breathing works in the air. Life Processes MCQs Chapter 6 - CBSE Class 10 Science Book Life processes Multiple Choice Questions ‌(MCQs‌) with Answers. Free MCQs of Class 10 Science Chapter 6 Life processes. Students can practice free MCQs as have been added by CBSE in the new Exam pattern. At the end of Multiple Choice Questions, the answer key has also been provided for your reference

Learning Aim 10: Describe the gas exchange system. Describe the key parts of the respiratory system (lungs, alveoli, bronchi, bronchioles, larynx, trachea, intercostal muscles, diaphragm) Write a short paragraph to answer the following question: Explain the difference between respiration and gas exchange (the function of the respiratory system) Gaseous Exchange / Respiration - BiologySc. Gas exchange from Magdaléna Kubešová. Gaseous Exchange. is the process of swapping one gas for another. It occurs in the alveoli of the lungs. Oxygen diffuses into the capillaries from the air in the alveoli and carbon dioxide diffuses out of the capillaries and into the air in. the alveoli Following are the functions performed hg progesterone (i) Helps in maintaining pregnancy. (ii) Stimulates the development of secretory alveoli in mammary glands and secretion of milk. (iii) Its secretion is influenced by luteinising hormone of anterior pituitary As one learner leaves the lungs, send another one off so that you have several learners walking through the system at any one point. If you have a large class, let a couple of learners walk through at a time. If you make the layout really big, then the whole class can form a long line of individual blood cells and move through in a line A pulmonary alveolus (plural: alveoli, from Latin alveolus, little cavity) also known as an air sac is a hollow cup-shaped cavity found in the lungs where gas exchange (the exchange of oxygen and carbon dioxide) takes place. This functional tissue of the lungs is termed the lung parenchyma.. Alveoli are first located in the respiratory bronchioles that mark the beginning of the respiratory zone

NCERT Solutions for Class 10 Science Chapter 6 Life

The lungs' main function is to help oxygen from the air we breathe enter the red cells in the blood. Red blood cells then carry oxygen around the body to be used in the cells found in our body. The lungs also help the body to get rid of CO 2 gas when we breathe out. There are a number of other jobs carried out by the lungs that include The following are the five key functions of the respiratory system. 1. Inhalation and Exhalation Are Pulmonary Ventilation—That's Breathing. The respiratory system aids in breathing, also called pulmonary ventilation. In pulmonary ventilation, air is inhaled through the nasal and oral cavities (the nose and mouth)

The lungs are the main part of your respiratory system. Here is how lungs work as the center of your breathing, the path a full breath takes in your body, and a 3-D model of lung anatomy The alveoli provide a surface where the exchange of gases can take place. The 2 lungs together have about 300-500 million alveoli. The walls of the alveoli are supplied with an extensive network of blood vessels. So lungs maximise the area for gaseous exchange through the presence of large number of alveoli which are richly supplied with blood

Class 10 Biology Chapter 10 Full Chapter Challenge Test. 1 / 54. Point out the FALSE statement about respiration. Gases can easily pass through the walls of the alveoli. In emphysema. the walls of alveoli break and there is more surface area. Dust panicky can damage the lung by imtating the inner alveoli surface The two major functions of the bronchioles are the conduction of air to alveoli and gas exchange. Bronchitis, bronchiectasis (permanent damage and dilation of bronchioles), bronchospasm (sudden constriction of bronchioles walls), and emphysema (chronic obstructive pulmonary disease - COPD) are the possible clinical conditions in bronchioles 4. What word best describes the function of the trachea? a. Pumping station b. Entrance point c. Muscle d. Passageway 5. Where does the transfer of oxygen into the bloodstream take place? a. In the heart b. In the trachea c. In the alveoli d. In the nasal passages 6. What do capillaries have in common with veins and arteries? a. They are all. Function of Nephron. The main functions of nephron include blood filtration, reabsorption of water, and other essential smaller molecules from the ultrafiltrate. Another important function of the nephron is the secretion of glutamate. Let's look at each function of the nephron in points

Recent studies have shown that the onset of puberty in American girls has decreased from an average of 12-13 years of age to as young as 8-10. Many scientists that study premature puberty suggest that steroids in our food and in the environment may be contributing factors, since steroids are known to cross cell membranes and bind to receptors. COPD is a chronic and progressive disease defined as narrowing, loss of elastic recoil, and inflammation of airways and lungs caused by caused by mucus hypersecretion, mucosal edema, and bronchospasms due to the body's attempt to repair itself. It develops due to noxious particles and gas exposure and cigarette smoking The lung alveoli are the balloon-like air sacs loacted at the distal ends of the bronchial tree. There are as many as 700 million alveoli in each lungs, where they facilitate gaseous exchange of oxygen and carbon dioxide between inhaled air and the bloodstream. Key facts about alveoli. Function. Exchange of oxygen and carbon-dioxide through the.

Life Processes Class 10 Important Questions and Answers

alveoli: lined by flattened epithelium; surrounded pulmonary capillaries; wall or alveolar septum consists of flattened alveolar surface epithelium + blood vessels (capillaries: 7 to 10 micro m in diameter) + supporting tissue of delicate collagen (reticulum) and elastin; alveolar pores = small openings about > 8 micro m in diameter; permit. The bronchioles divide repeatedly to form a cluster of tiny air chambers called air sacs or alveoli. Alveoli have thin and moist walls which enable gaseous diffusion with blood capillaries. The lungs are a pair of spongy and elastic respiratory organs protected by a bony rib cage. The base of the lungs rests on the diaphragm

Alveoli: Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place. Bronchioles: Small branches of the bronchial tubes that lead to the alveoli. Capillaries: Blood vessels in the alveoli walls that move oxygen and carbon dioxide. Lung lobes: Sections of the lungs — three lobes in the right lung and two in the left. Parts of the Respiratory System Figure above shows many of the structures of the respiratory system. Each of the parts has a specific job. The parts of the respiratory system include the following: The diaphragm is a sheet of muscle that spreads across the bottom of the rib cage. When the diaphragm contracts, the chest volume gets larger and the lungs take in air World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect

CBSE NCERT Notes Class 10 Biology Life Processe

The primary function of the respiratory system is to provide a place for gas (oxygen and carbon dioxide) exchange to occur in the body. Our bodies are so complex, and our cells are so far away from where the air is, we need a system devoted to bringing the air inside the body a. Describe the function of these terms and describe where they are located: main bronchus, trachea, alveoli. The main bronchus is the conduit in the lung that funnels air to the airways where gas exchange occurs. The main bronchus attaches the lungs to the very end of the trachea where it bifurcates There will be a syllabus quiz (10 points), 16 Mastering Biology Assignments (160 points) 15 multiple choice quizzes (300 points), 15 short answer quizzes (300 point), 5 discussions (180 points), and a final exam (200 points). Letter Grades will be assigned according to the total points earned in the course, out of 1150 total: A = 94-100%; A.

Functions of the Respiratory System. Click card to see definition . Tap card to see definition . - ventilation. - transport of oxygen and CO2 in the blood. - external respiration. - internal respiration. - regulation of blood pH. - production of chemical mediators This is a normal function of our kidneys inside the body. 6. Write any two points of difference respiration in plants and respiration in animals. (2 marks) Answer: Respiration in plants. 1.In plants separate respiratory organs are absent. 2.The rate of respiration is slow. 3.They lack respiratory surface Get CBSE Class 10 Science Notes for Chapter 6 - Life Processes. These notes are based on the revised syllabus and are best for revision before the upcoming CBSE Class 10 Science Board Exam 2021 11. The surface of the alveoli must be moist for them to function and so it is important that the air reaching them is moist to prevent their delicate membranes from drying out. 12. Similarly, their membranes would be ineffective if allowed to become too cold, so it is important that the air is warmed before it enters the lungs. 13 The lungs encompass the entire system of tubes branching out from the main bronchi to the alveoli. Measuring the functioning of the lungs is a medical tool for diagnosing problems in the respiratory system. Measurements of lung function 2. Air volume (in liters) - lung capacity. Maximum lung volume is known as TLC (total lung capacity). It.

How the Lungs Work NHLBI, NI

Life Processes Class 10 Notes Biology . NCERT CBSE Chapter 6 Download in Pdf Life processes - The processes that are necessary for an organism to stay alive. Eg. Nutrition,respiration, etc. Criteria of life- (i) Growth (ii) Movement Nutrition-The process in which an organism takes in food, utilizes it to get energy, for growth, repair and maintenance, etc. and excretes the waste materials. The diaphragm or thoracic diaphragm is the dome shaped muscular muscle or fibrous tissue that helps in breathing and provides an important part in the inhaling process. It separates the thoratic cavity from the abdomen; acts as an anatomical landmark. Functions of Diaphragm: The Diaphragm has numerous functions, however the major to be noted, it helps with respiration or breathing process. The. Gaseous exchange occurs in the alveoli by simple diffusion. The blood flowing past the alveoli is rich in carbon dioxide and very poor in oxygen. The gas molecules naturally flow in the direction of lower concentration through the thin gas exchange membrane, which is only two cells thick. Alveoli are tiny balloon-like structures that inflate. Functions. Inhalation and Exhalation − The respiratory system helps in breathing, likewise called pulmonary ventilation. Air is breathed in through the nose and mouth. It travels through the pharynx, larynx, and trachea into the lungs. At that point air is breathed out, streaming back through the same path. Changes to the volume and pneumatic.

What word best describes the function of the trachea? Pumping station Entrance point Muscle Passageway Where does the transfer of oxygen into the bloodstream take place? In the heart In the trachea In the alveoli In the nasal passages 6 A B c D A B c D 8 A B c D 9 A B c D 10 A B c D What do capillaries have in common with veins and arteries Breast milk contains all the nutrients that an infant needs in the first 6 months of life, including fat, carbohydrates, proteins, vitamins, minerals and water (1,2,3,4). It is easily digested and efficiently used. Breast milk also contains bioactive factors that augment the infant's immature immune system, providing protection against infection, and other factors that help digestion and.

Class 10 : science lesson 6 life process free online test and quiz : online mcq test for class 10 science . Home; Life process boostup points Life processes ★ Bronchioles then divide into many alveoli which are sites of gaseous exchange The alveoli are the areas within the lungs where the oxygen is transferred into the blood in exchange for carbon dioxide. In other words, this is where the gas exchange takes place. The air travels through the alveolar ducts into the alveolar sac where it is met with capillary networks Get Lakhmir Singh And Manjit Kaur Solutions for Class 10 Chapter Life Process here. BeTrained.in has solved each questions of Lakhmir Singh And Manjit Kaur very thoroughly to help the students in solving any question from the book with a team of well experianced subject matter experts. Practice Life Process questions and become a master of concepts

The tiniest bronchioles end in alveolar ducts, which terminate in clusters of minuscule air sacs, called alveoli (singular, alveolus), in the lungs. Lungs Figure \(\PageIndex{5}\): The cross-section of lung tissue on the right shows the alveoli in which gas exchange takes place with the capillary network that surrounds them alveoli are the functional units of the respiratory system actual site of gas exchange with blood alveoli increase in number and size until adolescence after adolescence, can increase in size only and if damaged, have only limited ability to repair themselves Human Anatomy and Physiology: Respiratory System; Ziser Lecture Notes, 2010.4 10 Answer: (c) Oxidization of glucose. Explanation: Respiration is a continuous process that occurs in the cells of all living organisms to produce energy. In this process, energy is released by breaking down glucose in the cells of the body. 14) The left atrium receives the pure blood from the -. Superior venacava Functions of the Diaphragm, a Very Important Respiratory Organ. Diaphragm plays a very important role in the process of breathing. Contraction and expansion of the diaphragm, helps in inhaling and exhaling air. Let's understand the function of diaphragm with the help of a diagram The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center