PE cardiovascular system

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  • Created by: alex rae
  • Created on: 12-05-13 16:33
What type of blood vessels carries blood to the heart?
Veins
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what is the main purpose of the cardiovascular system?
transport oxygen and nutrients around the body
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Do arteries generally carry oxygenated or deoxygenated blood?
oxygenated
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what is heart rate
the number of times your heart beats each minute
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what is stroke volume
amount of blood each ventrcle pumps with each contractions
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what is cardiac output
amount of blood pumped by the heart each minute
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systolic pressure is when your blood pressure is at its lowest, true or false?
false- systolic pressure is when the ventricles contract and the pressure is at its highest
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short term effects of exercise on the cardiovascular system?
heart rate increase to increase blood supply to working muscles, heart contracts more strongly to pump even more blood around the body (higher blood pressure)
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long term effect of exercise on the cardiovascular system?
heart hypertrophy, stroke volume and cardiac output increases, heart has to beat less often to lower RESTING heart rate, veins and arteries get bigger and stretchier so blood pressure falls, stronger vessels so less likely to burst under pressure, fa
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effects of diet on the cardiovascular system?
eating products high in saturated fat cause blood pressure and cholestrol to rise (LDL cholestrol is the bad type and clogs up blood vessels. HDL helps get rid of excess cholestrol and having lots is a good thing, stops build up of LDL)
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effect of drugs, smoking and nicotine on cardiovasular system?
Alcohol raises blood pressure (more you drink the higher it gets), smoking and nicotine casue a temporary rise in blood pressure
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Other cards in this set

Card 2

Front

what is the main purpose of the cardiovascular system?

Back

transport oxygen and nutrients around the body

Card 3

Front

Do arteries generally carry oxygenated or deoxygenated blood?

Back

Preview of the front of card 3

Card 4

Front

what is heart rate

Back

Preview of the front of card 4

Card 5

Front

what is stroke volume

Back

Preview of the front of card 5
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