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    Exam 48: Electrical Signals in Animals
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    Which of the Following Will Decrease the Heart Rate of a Vertebrate
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Which of the Following Will Decrease the Heart Rate of a Vertebrate

Question 28

Question 28

Multiple Choice

Which of the following will decrease the heart rate of a vertebrate?


A) acetylcholine
B) endorphin
C) nitric oxide
D) GABA

Correct Answer:

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