Question

Give mechanism of respiration with the help of equations.​

Answer 1

Answer:Mechanisms of breathing vary among different groups of animals depending mainly on ... into the trachea. Larynx is a cartilaginous box which helps in sound ... Long exposure can give rise to inflammation leading to fibrosis. (proliferation of ...

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Answer 2

Answer:

Mechanism of respiration in man takes place in two phases, namely inspiration and expiration. Inspiration is the process of inhaling air into the lungs. During inspiration, the muscles of diaphragm contract and the diaphragm moves downward. This results in the increase in the volume of the chest cavity, The air pressure inside the chest cavity decreases. The oxygenated air present outside the body being at high-pressure flow rapidly into the lungs. In the lungs, oxygenated air reaches the alveoli. Alveoli are thin walled and are surrounded by a network of blood capillaries. The oxygen passes through the walls of the alveoli into the blood present in blood capillaries. The oxygen is then supplied to all the tissues of the body. From the tissues, the waste product, carbon dioxide is absorbed by blood and carried to the alveoli of lungs for expiration. Expiration is the process of exhaling air from lungs. During expiration, the muscles of diaphragm relax and diaphragm moves upward. This results in the decrease in the volume of the chest cavity. The air pressure inside the chest cavity increases. This pushes out carbon dioxide outside the body.

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