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10 Cards in this Set

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