Biology, asked by Simran6374, 1 year ago

Breathing involves inspiration and expiration process. Which of the following take place during inspiration?
A) Ribs move downward and outward. B) Ribs move upward and inward. C) Ribs move downward and inward. D) Ribs move upward and outward.

Answers

Answered by jazz33
10
Hi there

The answer is option D.
This is because of the activity or contraction of diaphragm and external intercostal muscles.
Answered by rock534
1

Answer:

The answer is option D.

This is because of the activity or contraction of diaphragm and external intercostal muscles.

Explanation:

hope helped

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