B1

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What is being fit?
How well you perform physical activities
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What are the 5 ways of measuring fitness?
Strength, speed, agility, flexibility and stamina
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What does blood leave the heart through?
Arteries
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When is pressure at its highest?
When he heart contracts to pump blood around the body
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When is pressure at its lowest?
When the heart relaxes, when the blood flows back to the heart through the veins
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What is the high blood pressure called?
Systolic pressure
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What is the low blood pressure called?
Diastolic pressure
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What is blood pressure measure in?
mmHG
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What is a healthy blood pressure?
135 over 85
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What can increase your blood pressure (4)?
Smoking,being overweight, alcohol, stress
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What health problems can high blood pressure cause?
Burst blood vessels which can lead to strokes, brain damage, kidney damage
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How can high blood pressure be lowered?
Eating a balanced diet or doing regular exercise
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What health problems can low blood pressure cause?
Poor circulation, which can lead to being dizzy and end up fainting
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What does carbon monoxide in cigarettes do to blood pressure?
Carbon monoxide combines with haemoglobin in red blood cells, which reduces the amount of oxygen they can carry. To make up for this, the heart contracts more frequently, which increases blood pressure
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What does nicotine in cigarettes do to blood pressure?
Nicotine increases heart rate
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What do you need cholesterol for?
To make cell membranes
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If you get to much cholesterol it build up in the arteries, what happens?
Plague forms in the artery wall which narrows the arteries. The plaques restrict the flow of blood, which can lead to a heart attack
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How can high blood pressure lead to a heart attack?
High blood pressure increases the risk to the arteries, this damage can encourage the build up of plaque, which can lead to a heart attack
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What is a thrombosis?
A blood clot
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What do carbohydrates do?
To provide energy
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Where are carbohydrates stored?
They are stored as simple sugars like glucose in the liver as glycogen or converted to fats
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Where are fats stored?
They are stored as fatty acids and glycerol stored under the skin and around organs as adipose tissue
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Where are proteins stored?
They are not stored
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What can not eating enough protein cause?
Kwashiorkor
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What is the formulas for EAR?
0.6 X body mass
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Give two reasons why developing countries are low in protein
Overpopulation and not enough money to invest in agriculture
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What is the formula for BMI?
Body mass\ height squared
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Give four types of pathogens?
1) fungi 2) bacteria 3) viruses 4) Protozoa
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Other cards in this set

Card 2

Front

What are the 5 ways of measuring fitness?

Back

Strength, speed, agility, flexibility and stamina

Card 3

Front

What does blood leave the heart through?

Back

Preview of the front of card 3

Card 4

Front

When is pressure at its highest?

Back

Preview of the front of card 4

Card 5

Front

When is pressure at its lowest?

Back

Preview of the front of card 5
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