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Olenka [21]
2 years ago
9

Can someone help me

Biology
1 answer:
DochEvi [55]2 years ago
8 0

unicellular:3

active transport:1

multicellular:2

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<h3>What is muscle contraction?</h3>

It is an organized and natural event that takes place at the level of the muscles when the fibers and proteins inside them come together, and tension is produced in the area.

<h3>Characteristics of muscle contraction</h3>

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