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19 Cards in this Set
- Front
- Back
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What is blood pressure measured in and how is it written? |
Millimeters of mercury. mmHg |
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What does systolic pressure measure? |
The maximum pressure the heart produces |
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What does diastolic pressure measure? |
The blood pressure between heart beats |
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What causes an increase in blood pressure? |
Stress, high alcohol intake, smoking, being overweight. |
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What can decrease blood pressure? |
Regular exercise and a balanced diet |
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What are the dangers of high blood pressure? |
It can cause blood vessels to burst which can cause damage to the brain which often causes a stroke. It can also damage the kidneys |
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What are the dangers of low blood pressure? |
Dizziness and fainting as the blood supply to the brain is reduced. Poor circulation to fingers and toes. |
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What is fitness? |
The ability to do physical activity |
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What is health? |
Being free from disease |
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How can you measure your fitness? |
Your cardiovascular efficiency |
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How can you measure strength? |
The amount of weights lifted |
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How can you measure flexibility? |
The amount of joint movement |
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How can you measure stamina? |
The time of sustained exercise |
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How can you measure agility ? |
By changing direction many times |
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How can you measure speed? |
By a sprint race |
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How can smoking increase blood pressure? |
Carbon monoxide decreases the oxygen carrying capacity of blood. It combines with haemoglobin preventing it from combing with oxygen so less oxygen is carried. |
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What causes heart disease? |
Restricted blood flow to the heart muscle |
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What increases your risk of heart disease? |
High level of fat in diet which builds up cholesterol (a plaque) in arteries. High levels of salt |
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Why is plaque in arteries dangerous? |
It narrows them which reduces blood flow. It also makes blood clots or thrombosis which will block the artery. |
