Question

5 ways that the respiratory system is adapted for its function

Answer 1

The respiratory system is involved in the exchange of gases, and the important site where this gas exchange occurs is known as alveoli. From alveoli only, the

The five ways by which the respiratory system is adapted for its function are as follows-

1) Large surface area - The presence of alveoli in lungs provides a greater surface area for exchnage of gases.

2) Thin walls- The walls of alveoli are one cell thick, which provide the shortest distance for diffusion.

3) Moist walls - The mositure of the walls help the gases to dissolve into them and move across the surface.

4) Permeable walls - allow the easy movement of gases

5) Large diffusion gradient - Due to high concentration of oxygen in alveoli than capillaries, it moves from alveoli to the blood and the carbon dioxide moves in opposite directions.

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