Biology 1a - Human Biology

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What food groups are needed for a balanced diet?
Carbohydrates (sugar/starch), Fats, Protein, Fibre, Vitamins, Minerals, Water
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What is the function of Carbohydrates (starch)?
To provide the body with energy
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What is the function of Carbohydrates (sugar)?
To provide the body with IMMEDIATE energy
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What is the function of Protein?
Growth and repair of cells
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What is the function of Fat?
Insulatesthe body dnd provides an energy source
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What is the function of Fibre?
Needed to move large insoluble food molecules through the large intestine
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What is the function of Minerals?
Needed in small amounts for healthy body functioning. Calcium is needed for strong teeth and bones.
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What is the function of Vitamins?
Needed in small amounts for healthy body functioning. Vitamin C is needed for healing of wounds, Vitamin D is needed for strong teeth and bones.
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What is the function of Water?
To keep the body hydrated
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Why does a person become malnourised?
If their diet isn't balanced.
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What happens when your body does not recieve the right amount of vitamins and minerals?
You can develop deficiency diseases
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Give 3 examples of deficiency diseases.
Kwashiorkor / Rickets / Goitre / Osteoporosis / Scurvy / Anaemia / Type 2 Diabetes
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What causes a person to lose mass?
When the energy content of the food taken in is less than the amount of energy expended by the body
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Give an example of an inherited factor and how it can affect our health.
Cholesterol levels which can lead to heart disease if raised
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What is the metabolic rate?
The rate at which all chemical reactions are carried out in the body.
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Give 3 factors which can affect a person's metabolic rate.
The amount of activity the person does / the fat to mucle ratio / genetics
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What is BMI?
Body Mass Index
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Is BMI always reliable? Why?
No, as it does not take into account the amount of muscle in the body.
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Other cards in this set

Card 2

Front

What is the function of Carbohydrates (starch)?

Back

To provide the body with energy

Card 3

Front

What is the function of Carbohydrates (sugar)?

Back

Preview of the front of card 3

Card 4

Front

What is the function of Protein?

Back

Preview of the front of card 4

Card 5

Front

What is the function of Fat?

Back

Preview of the front of card 5
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