latoriajohnson919 latoriajohnson919

22-03-2022
Biology

contestada

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

Respuesta :

omaimasohail312 omaimasohail312

27-03-2022

Answer:

Alveoli

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.

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