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In-s [12.5K]
3 years ago
7

3 features of gas exchange surfaces.

Biology
1 answer:
k0ka [10]3 years ago
6 0

Answer:

List the features of gas exchange surfaces in animals.

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 & blood.

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