Question

In which phase volume of chest cavity increases​

Answer 1

Explanation:

Inspiration (inhalation) is the process of taking air into the lungs. It is the active phase of ventilation because it is the result of muscle contraction. During inspiration, the diaphragm contracts and the thoracic cavity increases in volume. This decreases the intraalveolar pressure so that air flows into the lungs.

Answer 2

Answer:

The phase in which volume of chest cavity increase is downward &inwards

thus is the answer

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