key words

1. Normal room temperture (7, 10)
4. A condition caused by a lack of haemoglobin in the blood; caused bt a deficiency of iron in the diet (7)
5. The seeds if cultivated grasses used in food. They provide the most important source of food in the diet. (6)
7. The basic units from which proteins are made. Eight amino acids cannot be synthesised by the body and must be provided in the diet; tey are called essential amino acids. (5, 4)
8. A mineral element which is essential for strong bones and teeth. Absorption in the (7)

2. An aldehyde formed when glycerol is heated to a high temperture; responsible for the acrid odour produced when fats are overheated. (8)
3. A type of bacterial food poisoning (13)
6. Protein found in milk (6)
9. Single celled organisms present in air, soil, animal and the human body (8)
10. A unit of energy which is used to give the energy yield of foods and the energy (7)

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