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10 Cards in this Set
- Front
- Back
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What are the 7 nutrients required for a balanced diet?
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Carbohydrates
Proteins Fat Viatmins MInerals Water Fibre |
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What breaks down food molecules in our alimentary canal?
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Enzynmes
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Why do foods need to be broken down in our alimentary canal?
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So that they are soluble and small enough to dissolve into the bloodstream
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What do Carbohydrates give us in our bodies?
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A steady release of glucose-needed for energy
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What do Proteins give us in our bodies?
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Ammino acids-needed for growth and repair of cells.
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What do fats give us in our bodies?
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Fatty acids and glycerol-energy and insulation of cells.
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Why is our stomach pH 2?
Give two reasons. |
To kill bacteria and to help digestion of protein.
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Why is the small intestine so good at absorbing food? Give three reaons.
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Long, so very large surface area; thin lining; a good blood suppply.
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What is meant by excretion?
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Getting rid of waste chemicals from reaction in cells.
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What is a ligament?
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Tissue which attaches bones together.
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