Science, asked by rajputsiddharth939, 11 months ago

mechanism of brething

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Answered by hemanth101

2

Answer:

Breathing occurs when the contraction or relaxation of muscles around the lungs changes the total volume of air within the air passages (bronchi, bronchioles) inside the lungs. ... Inspiration occurs when the inspiratory muscles—that is, the diaphragm and the external intercostal muscles—contract.

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