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maria [59]
3 years ago
10

Please help!! 10 points

Biology
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer:not sure but i think b!

Explanation:

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Complete question:

___BLANK___ system contains glands that secrete hormones into the bloodstream, whereas the ___BLANCK__system secretes substances through ducts.

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Those tissues that produce hormones might be classified as:

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