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which of the following affects blood volume?

a. the speed at which the blood flows
b. the strength at which the heart contracts
c. the amount of water present in the blood
d. the rate at which the heart contracts

How could a person communicate directly with leaders about community health issues

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.

If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f