which one is NOT CORRECT, please help!! Explain why.
Which One Is Not Correct Please Help Explain Why 1 (15.55 KiB) Viewed 32 times
Which of the following is NOT correct? Acetylcholine acting at nicotinic receptors is always stimulatory. Adrenergic and muscarinic receptors are found on cells of most visceral organs. Sympathetic cholinergic fibers cause the heart rate to increase during exercise.
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