The ability of the heart to supply the muscles with oxygen.
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How can cardiovascular efficiency be tested?
measuring oxyfen uptake during exercise, and blood pressure.
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Explain how blood is pumped around your body.
- Blood pumped around body by contractions of the heart - Contractions increase blood pressure -Blood leaves heart and flows through arteries -Split into tiny capillaries which take blood to every cell -Blood flows back to heart through veins.
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What happened to the pressure as the blood flows through the system?
Pressure gets lower.
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When is blood pressure at its highest?
When the heart contracts.
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When is blood pressure at its lowest?
When the heart relaxes.
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What is blood presuure measured in?
Systolic/Diastolic.
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A healthy persons S/D pressure shouldn't be higher than...
135/85
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What are factors that increase your blood pressure? (4)
Smoking, Overweight, Alcohol, Stress.
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If blood pressure is too high it can cause blood vessels to burst, this can lead to... (3)
Strokes, Brain damage, Kidney damage
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How can high blood pressure be decreased? (3)
Balanced diet, exercise, drugs
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If blood pressure is too low it can cause... (2)
Poor circulation, dizzyness/fainting
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EVALUATE THE DIFFERENT WAYS OF MEASURING SOMEONES FITNESS (runner and weight lifter)
Best measure of fitness for a runner may be speed, best measure for a weight lifter may be strength.
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