Question

how do substances like co2 and water moves in and out of a cell

Answer 1

diffusion allow simple substances like carbon dioxide and water to move in and out of the cell because of the minute pores present in the cell membrane.

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Answer 2

Answer:

The plasma membrane allows or permits the entry and exit of some materials in and out of the cell. It is a selectively permeable membrane.

Some substances like carbon dioxide and water can move across the cell membrane by a process called diffusion. There is spontaneous movement of a substance from a region of high concentration to a region of low concentration.

Movement of Carbon Dioxide:

Carbon dioxide, we know, is a cellular waste and requires to be excreted out by the cell. It accumulates in high concentration inside the cell. In the cell's external environment, the concentration of carbon dioxide is low as compared to that inside the cell. As soon as there is a difference of concentration of carbon dioxide inside and outside a cell, carbon dioxide moves out of the cell, from a region of high concentration, to a region of low concentration outside the cell by the process of diffusion.