Question

. What are the important features of all respiratory structures in animals? (3 marks)

Answer 1

The important features of all respiratory structures in animals are: Most of the animal respiratory structures are provided with capillary network (like blood vessels) to facilitate gaseous exchange. ln order to be efficient, they should have a wide surface area to be able to extract as much gas as possible.

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Answer 2

Answer:

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•The important features of all respiratory structures in animals are: Most of the animal respiratory structures are provided with capillary network (like blood vessels) to facilitate gaseous exchange. ln order to be efficient, they should have a wide surface area to be able to extract as much gas as possible.....