SCIENCE

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Carbohydrates
a source of energy for life processes
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Fats
a source of energy for life processes: fats are also needed to make cell membranes and to insulate our bodies
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Proteins
growth and repair - building cells
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Imbalanced diets
An imbalanced diet causes a person to become malnourished. For example: too little food may lead to a person being underweight too much food may lead to a person being overweight.
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Metabolic rate
Respiration is a chemical reaction that allows cells to release energy from food. The metabolic rate is the speed at which such chemical reactions take place in the body and varies because of several factors, including age, gender and inherited facto
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Metabolic rate is affected by...
proportion of muscle to fat in the body and the amount of exercise and other physical activity.
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Card 2

Front

Fats

Back

a source of energy for life processes: fats are also needed to make cell membranes and to insulate our bodies

Card 3

Front

Proteins

Back

Preview of the front of card 3

Card 4

Front

Imbalanced diets

Back

Preview of the front of card 4

Card 5

Front

Metabolic rate

Back

Preview of the front of card 5
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