Multiple Choice
During the course of a ride on a roller coaster,what would be FALSE regarding your heart?
A) An increase in heart rate
B) A decrease in the duration of systole
C) A decrease in the slope of the pacemaker potential
D) An increase in the amount of Ca²⁺ entering cardiac muscle cells
E) An increase in the rate of cross-bridge cycling in ventricular muscle cells
Correct Answer:

Verified
Correct Answer:
Verified
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