Which of the following sequence is correct to initial inspi…

Biology Breathing and Exchange of Gases Statement Based Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Which of the following sequence is correct to initial inspiration?

(i) The contraction of external intercostals muscles raises the ribs and sternum.

(ii) Volume of thorax increases in the dorsoventral axis.

(iii) Intrapulmonary pressure decrease.

(iv) Diaphyragm contraction.

(v) Air rushes into lungs.

(vi) Intrapulmonary pressure increases.

(i), (ii), (iv), (v), (iii), (vi)

(i), (ii), (iii), (iv), (v)

(i), (ii), (iv), (iii), (v), (vi)

(vi), (v), (i), (ii), (iii), (iv)

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