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What is the function of the contractile vacuole?

User Ashansky
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Answer:

The contractile vacuole pumps water out of the cell (through osmoregulation, the regulation of osmotic pressure).

User Jeffstern
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Contractile vacuoles protect a cell from absorbing too much water and potentially exploding by excreting excess water. Wastes, such as ammonia, are soluble in water; they are excreted from the cell along with excess water by the contractile vacuoles.
User Guglie
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