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Author Question: The heart rate decreases in response to the arrival of A) acetylcholine. B) epin (Read 840 times)

geoffrey

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on: Oct 12, 2013
The heart rate decreases in response to the arrival of
A) acetylcholine.
B) epinephrine.
C) endorphin.
D) nitric oxide.
E) GABA.


j_sun

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Reply #1 on: Oct 15, 2013
I recall doing this last year, it's A, bye bye!


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