Multiple Choice
Which of the following is the role of the neurotransmitter norepinephrine?
A) It excites neurons into firing during stressful times.
B) It blocks glutamate receptors from receiving glutamate.
C) It inhibits the heart muscle,intestines,and urogenital tract.
D) It helps to control the level of alertness.
Correct Answer:

Verified
Correct Answer:
Verified
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