Blood pressure and velocity
- Created by: z_mills1
- Created on: 05-06-14 15:45
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- Blood pressure and velocity
- Diastolic pressure
- pressure of the relaxed heart
- Systolic pressure
- pressure of heart contracting
- as the blood leaves the heart and flows through the main arteries - it has a high systolic pressure
- this blood pressure reduces as blood moves further and further away from the heart
- friction of blood against the blood vessel walls reduces the pressure of blood
- Velocity
- velocity of blood reduces as blood flows away from the heart
- however, the blood speeds up as it enters the venules and veins
- blood flows fastest in the large arteries, slower in small arterioles and veins, slowest in capillaries
- velocity of blood reduces as blood flows away from the heart
- Diastolic pressure
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