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15 Cards in this Set
- Front
- Back
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What is being healthy
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Free from disease
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What is fitness
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Is the ability to do physical activity
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How can fitness be measured
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Strength, stamina, speed, flexibility and agility.
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What is cardiovascular efficiency?
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How well your heart copes with aerobic and how quickly it recovers afterwards.
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What is a normal pulse rate for an adult
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120/80mmHg
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How is fitness assessed
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measuring how quickly a person's pulse rate recovers after exercise.
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Name the three blood vessels
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Arteries, vein and capillaries
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What is the heart
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a muscular pump
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What happens when the heart muscle relaxes
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the pressure drops and the heart fills up with blood - diastolic pressure.
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What happens when the heart muscle contracts
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the pressure is at its greatest because the blood is squeezed into the arteries.
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Why is the blood under pressure?
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so it reaches all the cells and supplies them with oxygen and glucose for respiration
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What can reduce high blood pressure
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regular aerobic exercise - it strengthens the heart and helps to maintain a normal blood pressure. A healthy balanced diet can also reduce high blood pressure.
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What factors can increase blood pressure
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High stress, Smoking, High intake of saturated fats or salt, overweight, excess alcohol,
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How does smoking increase blood pressure?
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the carbon monoxide reduces the ability of the red blood cells to carry oxygen because the carbon monoxide combines with haemoglobin. Nicotine- has a direct effect on the heart and makes it beat faster. |
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How can diet cause health implications
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high intake of salt can elevate blood pressure and high intake of saturated fats can lead to Cholesterol(plaques) and restrict blood flow.
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