Science, asked by keshvijha2020, 3 months ago

what is expiration??

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Answered by rumaisaimtiyaz4

2

.Expiration is the phase of ventilation in which air is expelled from the lungs. It is initiated by relaxation of the inspiratory muscles: Diaphragm – relaxes to return to its resting position, reducing the superior/inferior dimension of the thoracic cavity.

Answered by musiclover5555

1

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