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Roman55 [17]
3 years ago
7

Most cells __ are porous to water and other materials but strong enough to support and protect cells..

Biology
1 answer:
likoan [24]3 years ago
6 0
Cell walls are thicker than cell membranes, and can therefore support the cell well. They keep a strong boundary for the protection of the cell, but can let water and some nutrients through to nourish and power the cell. Hope this helps! :)
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What type of muscle contracts and relaxes to control the movement of the contents?
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Smooth muscles are the type of muscle that contracts and relax to control the movement of the contents.

<h3></h3>

What are Smooth muscles?

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To learn more about smooth muscles, visit:

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