How do some hormones affect only certain cells in the
body but not others? plz help I will give brainy but only in 15 min

Only cells having specific receptors for a hormone can respond to the hormone's presence.

Explanation:

Hormones are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. A given hormone usually affects only a limited number of cells, which are called target cells. A target cell responds to a hormone because it bears receptors for the hormone.

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