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19. Which of the following sequences is correct to initiate

inspiration?
(i) The contraction of external intercostal muscles raises the ribs and sternum
(ii) Volume of thorax increases in the dorso-ventral axis
(iii) Intrapulmonary pressure decreases
(iv) Diaphragm contraction
(v) Air rushes into lungs
(vi) Volume of thorax increases in the anterior-posterior axis

Choose options :-

(a) (i), (ii), (iv), (v), (iii), (vi)
(b) (i), (ii), (iii), (iv), (vi), (v)
(c) (i), (ii), (iv), (vi), (ii), (v)
(d) (vi), (v), (i), (ii), (iii), (iv)​

1 Answer

4 votes

Answer:

Hello There!!

Step-by-step explanation:

I believe the answer is (c) (i), (ii), (iv), (vi), (ii), (v).

hope this helps,have a great day!!

~Pinky~

User Jalil
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