What can slow down or speed up the pacing of the heart

CARDIOVASCULAR PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	atrial fibers
B	neurotransmitters
C	minerals
D	None of the above

Explanation:

Detailed explanation-1: -The major neurotransmitters of the sympathetic and parasympathetic systems are norepinephrine and acetylcholine, which define the stimulatory and inhibitory physiologic effects of each system.

Detailed explanation-2: -tricular receptors results in a decrease in heart rate and fall in blood pressure; and stimulation of atrial receptors results in an increase in heart rate and an increase in urine flow.

There is 1 question to complete.