Question

what is the characteristics of respiratory surface

Answer 1

Hey friend here is your answer

1. It should have thin walls for easy exchange of gases

2. It should have a rich supply of blood vessels

3. It should be voluminous , i,e it should have a large surface area .

Hope it helps you ✌✌

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Answer 2

1) thin walls
2) a moist inner surface
3) a huge combined surface area
4) a rich blood supply ( rich with capillaries)

hope! this will help u