Biology 1


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  • Created by: kelz0209
  • Created on: 03-04-14 09:45
What do carbohydrates do?
Releases energy.
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What do fats do?
Keeps you warm and releases energy.
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What does protein do?
Helps with growth, cell repair and cell replacement.
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What does fibre do?
It keeps everything moving smoothly through the digestive system.
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What do vitamin and mineral ions do?
They keep your skin, bones, blood and everything else generally healthy.
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What is a metabolism?
The chemical reactions in your body that keep you alive.
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What is your metabolic rate?
This is the speed at which the chemical reactions in your body occur.
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Name three factors that may affect your resting metabolic rate.
1. Muscle to fat in your body- higher proportion of muscle, higher metabolic rate. 2. Size of person- Bigger the person, higher the metabolic rate. 3.Genetic factors- men have a higher metabolic rate, due to larger proportion of muscle.
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What can boost your resting metabolic rate?
Exercise- builds muscle.
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Definition of malnourished.
When people's diets are badly out of balance- they can be fat or thin.
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What can cause obesity?
Bad diet, overeating, lack of exercise, excess carbohydrate or fat in the diet, hormonal problems.
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Name 3 health problems that can arise as a result of obesity.
1. Arthritis (inflammation of the joints) 2.Type 2 diabetes (inability to control blood sugar levels) 3.High blood pressure 4.Heart disease 5.At risk of getting some kinds of cancer.
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What happens when there is too much saturated fat in your diet?
It can increase your blood cholestrol level.
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What happens when there is too much salt in your diet?
It can cause high blood pressure and heart problems.
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Name three effects of eating too little?
1.Slow growth (in children) 2.Fatigue 3.Poor resistance to infection 4.Irregular periods in women.
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Give an example of a deficiency disease that is caused by a lack of vitamins or minerals.
A lack of vitamin C can cause scurvy, that causes problems with the skin, joints and gums.
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Name an inherited factor that affects their metabolic rate.
An underactive thyroid gland, which can lower the metabolic rate and cause obesity.
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If an inherited factor affects their blood cholestrol level, what are they at risk of getting?
Heart disease.
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Other cards in this set

Card 2

Front

What do fats do?

Back

Keeps you warm and releases energy.

Card 3

Front

What does protein do?

Back

Preview of the front of card 3

Card 4

Front

What does fibre do?

Back

Preview of the front of card 4

Card 5

Front

What do vitamin and mineral ions do?

Back

Preview of the front of card 5
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