What are the Features of gassiest exchange surface in animal
Answers
The Features of gas exchange surfaces in animals are :-
1) They are moist to prevent the cells from drying and to allow gases to dissolve.
2) They have a large surface area , so that a lot of gas can diffuse across at the same time.
3) They have a high concentration gradient - maintained by the movement of air and blood.
Answer:they give the lungs a really big surface area. they have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.So, they have evolved exchange surfaces to exchange molecules with their surroundings. The effectiveness of exchange surfaces in plants and animals is increased by having: A large surface area: the flattened shape of structures such as leaves.
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