Josefa narrowly escapes being hit by a car while riding her bike to class. Her heart rate increases and her pupils dilate. Which system is at work here?
a. The sympathetic nervous system
b. The peripheral nervous system
c. The parasympathetic nervous system
d. The autonomic nervous system
a. The sympathetic nervous system
The sympathetic nervous system is at work when Josefa narrowly escapes being hit by a car while on her bike. Her body is flooded with norepinephrine, which triggers the “fight or flight” response, including dilated pupils and increased heart rate.
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Fill in the blank(s) with the appropriate word(s).
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