Which structure secretes hormones differently into the bloodstream without using a duct

asked Sep 18, 2019 150k views

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5 votes

They don't use a duct to get into the blood stream they already secretes in the blood stream
Hope this helps

LarsVegas answered Sep 20, 2019

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6 votes

That would be the Endocrine system which secretes hormones into the blood through glands

Bhupat Bheda answered Sep 24, 2019

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