Multiple Choice
Sandy looks at the final exam and becomes upset when she discovers that it covers two chapters she did not read.As a result,neurons in Sandy's ____ system are releasing the neurotransmitter ____ at the target organs.
A) parasympathetic; serotonin
B) sympathetic; serotonin
C) parasympathetic; norepinephrine
D) sympathetic; norepinephrine
Correct Answer:

Verified
Correct Answer:
Verified
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