Parasympathetic nerves release the neurotransmitter _______, which slows the heart.
A) epinephrine
B) norepinephrine
C) acetylcholine
D) beta blocker
Correct Answer:
Verified
Q24: _ circulation connects the heart and lungs.
A)
Q25: Blood that is poor in oxygen returns
Q26: The period of relaxation is known as
Q27: The volume of blood pumped by one
Q28: The _ is the largest organ of
Q30: The smallest branches of an artery are
Q31: Sympathetic nerves release the neurotransmitter _, which
Q32: The _ delivers blood from the organs
Q33: Which of the following is not a
Q34: The period of contraction is known as
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