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The cell membrane controls what enters and leaves the cell, allowing the cell to absorb the oxygen and nutrients it needs to function. It also protects the cell from most dangerous chemicals.

The cell membrane is vital because the cell needs to be able to control its oxygen and carbon dioxide levels.

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Wiki User

7y ago
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Wiki User

13y ago

it is the outer covering

i dont know why im answering this i am the one who has to do a project!

and i just had to read in my science book to find the answer...

fingers crossed i get an A+

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Wiki User

14y ago

the cell membrane controls what comes in and out of a cell

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Anonymous

Lvl 1
3y ago

stores food water and wastes

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Q: What does a cell membrane do for the cell?
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