Biology, asked by abuchand115, 10 hours ago

Explain the MECHANISM of breathing..

Answers

Answered by hitecg701

Explanation:

When the lungs inhale, the diaphragm contracts and pulls downward. 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.

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