How are hormones distributed to tissues, and what determines which cells hormones will affect?
A) They are carried throughout the body in the bloodstream, and each hormone affects target cells that have receptors for it.
B) They are carried to specific organs by lymphatic vessels and affect the cells in those organs.
C) They are delivered by neurosecretory cells to specific tissues and affect the cells in those tissues.
D) They are distributed locally in the interstitial fluid and affect nearby responsive target cells.
Answer: A
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