fitness and health
- Created by: emily
- Created on: 29-12-12 12:43
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- fitness and health
- blood pressure
- measured in millimetres of mercury. written as mmHg
- systolic pressure- maximum pressure the heart produces
- diastolic pressure- blood pressure between heart beats
- high blood pressure causes:
- blood vessels to burst
- damage to the brain(stroke)
- damage to the kidneys
- low blood pressure causes:
- dizziness
- fainting
- poor circulation to areas such as fingers and toes
- fitness is the ability to do physical activity.
- fitness can be measured by cardiovascular efficiency
- health is being free from diseases such as those caused by bacteria and viruses.
- smoking
- carbon monoxide causes blood to carry less oxygen
- heart rate increasesso that the tissues recieve enough oxygen
- nicotine directly increases heart rate
- carbon monoxide causes blood to carry less oxygen
- diet and heart disease
- heart disease is causes by a restricted blood flow to the heart muscle
- the risk of getting heart disease is increased by:
- a high level of saturated fat in the diet
- leads to a build up of cholestrol (a plaque) in arteries
- high levels of salt
- fcan increase blood pressure
- a high level of saturated fat in the diet
- it is the blood vessel into the heart muscle that is blocked
- blood pressure
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