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dolphi86 [110]
3 years ago
15

Plz helpwill give the brainliest!Urgent!!​

Biology
1 answer:
Delvig [45]3 years ago
5 0

Answer:

3B

4A

5a) hormones: regulatory substances produced by a body to stimulate cells into action. secreted: produced endocrine glands: a chemical message network that regulates hormones.

5b) A: Insulin, B; Adrenaline, C: Testorone, D: Oestrogen.

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What kind of living and nonliving things do you think a marine biologist studies ?
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Ilia_Sergeevich [38]

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