3 years ago

Which structure secretes hormones directly into the bloodstream without using a duct?

2 answers:

7 0

The answer is adrenal gland.

Hormones are chemical signaling molecules secreted by glands, either endocrine or exocrine. Endocrine glands secrete hormones directly into the bloodstream without using a duct, unlike the exocrine glands. Endocrine glands include pancreas, hypothalamus, pineal gland, pituitary gland, thyroid gland, parathyroid gland, adrenal gland, ovaries, testes

astraxan [27]3 years ago

4 0

Adrenal gland, just took the quiz

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