Which of the following sequences is correct to initiate insp... — Zoology | Mockzy | Mockzy

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Which of the following sequences is correct to initiate inspiration ?
I. Intrapulmonary pressure decreases
II. Diaphragm contracts
III. Air rushes into lungs
IV. Volume of thorax increases in the anterior-posterior axis.

A

III, II, IV, I

B

II, IV, I, III

C

I, II, III, IV

D

IV, III, I, II

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