Which of the following accurately describes a cause for a change in blood flow?
•Consistent exercise strengthen the heart so that it doesn't have to work as hard so blood pressure is
increased.
•The walls of blood vessels lose elasticity causing resistance which increases blood pressure.
•A disease causes an increases blood viscosity which in turn increase the speed of blood flow.
•An accident causes excessive bleeding that leads to a decrease in blood fluid volume and high blood
pressure.
