The respiratory system that involves diffusion of oxygen and carbon dioxide directly into and out of cells is ______.

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asked Nov 5, 2023 109k views

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Peelz · Answer 1 · 2023-11-10T06:20:48+0000

Answer:

Alveoli

Step-by-step explanation:

they are very small air sacs which performs the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli.

The respiratory system that involves diffusion of oxygen and carbon dioxide directly into and out of cells is ______.

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