Science, asked by gopalvenu953, 2 months ago

what is the mechanism behind inhalation and exhalation​

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Answered by Anonymous
61

Answer:

This increases the size of the thoracic cavity and decreases the pressure inside. As a result, air rushes in and fills the lungs. The second phase is called expiration, or exhaling. When the lungs exhale, the diaphragm relaxes, and the volume of the thoracic cavity decreases, while the pressure within it increases

Explanation:

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