True or false -- Some effectors in the body (sweat glands, arrector pili muscles) are only innervated by the sympathetic system. True or false -- Drugs or chemicals that promote a neurotransmitter effect are agonistic.
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Step 1: The first statement is true, as some effectors in the body such as sweat glands and arrector pili muscles are only innervated by the sympathetic system. Show more…
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