Question

describe the mechanism of exhalation in humans

Answer 1

Answer:

During this process, the chest wall expands out and away from the lungs. ... Upon exhalation, the lungs recoil to force the air out of the lungs. The intercostal muscles relax, returning the chest wall to its original position. During exhalation, the diaphragm also relaxes, moving higher into the thoracic cavity.

Explanation:

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Answer 2

Answer:

The ribs moves down and Inwards while the diaphragm moves up to its former position (upwards) this reduces the size of the chest cavity and thus increases the pressure inside the chest cavity this pushes the air out of the lungs .