Question

Which of the following statement is true about respiration?

1)During inhalation ribs move inward and diaphragm is raised.

2)Bronchioles increases surface area for exchange of gases

3)Heamoglobin has greater affinity for carbon dioxide than oxygen

4)During exhalation, ribs move inward and the diaphragm relaxes​

Answer 1

Answer:

4

Explanation:

"hope it will help you

Answer 2

Answer:

100% sure (1),(2),(3) are correct about respiration.

Explanation:

Hope it's help you

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