Question

how do substance like carbon and water move in and out of the cell​

Answer 1

$\huge\mathfrak\pink{Answer!}$

The substances like CO2 and water move in and out of a cell by diffusion from the region of high concentration to low concentration. ... When the concentration outside the cell becomes low and it is high inside the cell, they moves out.

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Answer 2

Answer:

by diffusion process

Explanation:

as the quantity of carbon dioxide is less in alveoli and more concentration in cells diffusion occurs between them

same as the oxygen