Specific tissues containing receptors for drugs are referred to as
a. the circulation.
b. the trigger zone.
c. sites of action.
d. inactive tissues.

There correct option is C. The site of action of a drug is that particular location of the body where the drug molecules bind with the necessary receptors and exert their therapeutic effects.

I believe the correct answer is sites of action. These sites are where drugs mechanisms occur. These contain tissues that are specific receptors for different drugs. Hope this answers the question. Have a nice day. Feel free to ask more.

Answerbasal cell carcinoma;

Answerspermicides;