Multiple Choice
Which statement concerning hormones is correct?
A) All are regulated by the hypothalamus.
B) They are secreted by endocrine glands through ducts into the blood.
C) They must combine with specific receptors on the target cells in order to exert their effects.
D) They are produced in a gland and act on the target cells in different tissues.
Correct Answer:

Verified
Correct Answer:
Verified
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