How do substances like co2 and water move in and out of the cell ?

1.	How do substances like co2 and water move in and out of the cell ?
Answer» Carbon dioxide comes from the cell respiration , it mix with blood (impure blood) and get filtered in lungs . Water also present in every cell as cytoplasm and maximum amount of plasma is water . 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 of CO2 and water is higher in external environment than that inside the cell, CO2 and water moves inside the cell. When the concentration outside the cell becomes low and it is high inside the cell, they moves out.

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