2 years ago

3 features of gas exchange surfaces.

Biology

1 answer:

k0ka [10]2 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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