How does the Frank-Starling curve affect stroke volume during exercise?
a. The increased sympathetic stimulation causes the heart to be faster with smaller stroke volumes
b. The Frank-Starling curve is only activated when the heart rate reaches 90% of the maximum targeted rate
c. The increased venous return causes cardiac chambers to increase in size and thus contract with more force
d. The Frank-Starling law only affects heart rate, not stroke volume
c. The increased venous return causes cardiac chambers to increase in size and thus contract with more force
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