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valina [46]
3 years ago
13

What are hormones? A. They are minerals needed for proper bone formation. B. They are substances needed for muscle and nerve act

ivity. C. They are the parts of the body targeted by endocrine glands. D. They are substances released by endocrine glands.
Health
2 answers:
stira [4]3 years ago
4 0
I think it is D because hormones are substances released by endocrine glands
castortr0y [4]3 years ago
3 0

Answer:

D substances released by endocrine glands

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