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In most animals, combinations of various tissues make up functional units called?

A. Epithelial cells
B. Organs
C. Organ Systems
D. populations

In most animals combinations of various tissues make up functional units called A Epithelial cells B Organs C Organ Systems D populations class=

Respuesta :

the answer is B.organs
B——————- gosh I hate that they make you have it 20 characters long goodness

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