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ExtremeBDS [4]
3 years ago
5

An organ system is made up of

Biology
1 answer:
ludmilkaskok [199]3 years ago
4 0

Answer:

A

Explanation:

Organs are the body's recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and therefore several types of cells.

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