As viscosity of the blood increases, Group of answer choices the pressure required to force it to flow increases. the pressure required to force it to flow decreases. the fluid becomes thinner. the hematocrit decreases. the flow does not change.
Answer: the pressure required to force it to flow increases.
Explanation: The pressure required to force blood to flow increases because increased viscosity increases the resistance to blood flow and thereby increases the work rate of the heart.
