Question

draw a neat labelled diagram of lungs and explain the mechanism of respiration in human body.​

Answer 1

Answer:

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Answer 2

Answer:

Mechanism of respiration involves the breathing mechanism and exchange of gases. The gaseous exchange occurs by diffusion in the alveoli. It depends upon the pressure differences between blood and tissues, or atmospheric air and blood. The exchange of gases takes place at the surface of the alveolus.

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