119. Pulmonary gas exchange occurs in the

Biology

1 answer:

Ymorist [56]3 years ago

4 0

These are grape-like clusters surrounded by blood capillaries

Explanation:

The alveoli (grape-like structures) are surrounded by a network of blood capillaries. They supply blood for decarbonization and oxygenation. The large network provides a large surface area for this gaseous exchange. In addition, the alveoli are moist to help increase the rate of diffusion of the gases in and out of the blood capillaries.

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