Cytoplasm maintains the internal pressure in the cell.
The answer your looking for is B different patterns of gene expression
A contusion occurs when a strong blow or repeated blows from an object struck the body, crushing the underlying muscle fibres and connective tissues without breaking the skin.
A contusion can vary in severity depending on the object and location of the injury. For example a contusion to the brain may cause a concussion that can cause serious symptoms that require immediate medical attention
Explanation:
Uhhmmm.....W-where's the diagram though?..
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We can't even answer it cuz u didn't take a picture of ur homework or something..
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