The Blood Vessels vasodilate when the Heart Rate increases, like during Exercise.
Why is that?
A. Vasodilation widens the Vessels allowing more Blood Flow
B. Vasodilation narrows the Vessels allowing more Blood Flow
C. Vasodilation widens the Vessels allowing less Blood Flow
D. Vasodilation narrows the Vessels allowing less Blood Flow
Preview next quiz:
A Doctor prescribes a Blood Thinner, like Aspirin, to a patient with a Heart Condition.
How will this Blood Thinner affect the Flow and Viscosity of Blood?
A. The Blood Thinner will Increase the Flow and Decrease the Viscosity
B. The Blood Thinner will Decrease the Flow and Increase the Viscosity
C. The Blood Thinner will Increase the Flow and the Viscosity
D. The Blood Thinner will Decrease the Flow and the Viscosity
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