During Exercise, Your Heart Rate Can Increase Dramatically in Order

Multiple Choice

During exercise, your heart rate can increase dramatically in order to meet the metabolic demands of your tissues. If your heart rate increased to 144 beats per minute, approximately how long would diastole last in a single cardiac cycle?

A) 0.2 second
B) 0.6 second
C) 0.8 second
D) 1.6 seconds