Question

Explain the mechanism of breath

Answer 1

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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. ... Because gases move from regions of high pressure to low pressure, air rushes into the lungs.

Answer 2

Answer:

breathing occurs whenthe contraction and relaxation of muscles around the lungs changes the total volume of air within the air passages inside the lungs. inspiration occurs when the inspiratory muscles that is, the diagram and the external intercostal muscles contract