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Inhalation and Exhalation

Inhalation an...

Question

Inhalation and Exhalation are a result of combined action of thoracic cavity and diaphragms.

A

True

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B

False

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Solution

The correct option is A
True

During inhalation, the diaphragm pushes down and increase the size of the thoracic cavity thus letting the air in. During exhalation, the exact opposite happens.

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Diaphragm	(A)	(B)
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Intrapulmonary pressure	Decreases	(D)

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