Question

What are a contractile vacoule?state it's function​

Answer 1

Answer:

Excess of water from the body of the amoeba is collected in the contractile vacuole. ... Hence, sometimes ammonia is expelled out along with the water from the contractile vacuole. Function: The contractile vacuole expands when there is water in it and shrinks when the water is released into the surrounding.

Explanation:

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Answer 2

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Contractile vacuole, regulatory organelle, usually spherical, found in freshwater protozoa and lower metazoans, such as sponges and hydras, that collects excess fluid from the protoplasm and periodically empties it into the surrounding medium. ... It may also excrete nitrogenous wastes..

And it functions are

contractile vacuole works just the same as the name suggests, in that it expands and contracts. The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure...

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