Answer to Question #239419 in Biology for lol

Question

Ventilation helps to supply gases to gas exchange surfaces in animals. a) Other than ventilation, state and explain two features of an effective gas exchange surface in animals.

Answer 1

Features of gas exchange surfaces in animals:

• They are moist to prevent the cells from drying and to allow gases to dissolve;
• They have a large surface area, so that a lot of gas can diffuse across at the same time.