Biology: A balanced diet 0.0 / 5 ? BiologyRespiration and exerciseIGCSEEdexcel Created by: HLeiperCreated on: 07-04-14 11:17 Provide energy Carbohydrates 1 of 16 Provide energy, act as an energy store and provide insulation Lipids 2 of 16 Needed for growth and repair of tissue and to provide energy in emergencies Proteins 3 of 16 Helps to improve vision and keep skin and hair healthy Vitamin A 4 of 16 Prevents scurvy Vitamin C 5 of 16 Needed for calcium absorption Vitamin D 6 of 16 Needed to make haemoglobin for healthy blood Iron 7 of 16 Every bodily function relies on it, need a constant supply to replace it Water 8 of 16 Aids the movement of water through the gut Dietary fibre 9 of 16 Needed to make bones and teeth Calcium 10 of 16 Circular muscles contract to push food along the gut Peristalsis 11 of 16 Putting substances into your mouth Ingestion 12 of 16 Breakdown of large insoluble molecules into small soluble one Digestion 13 of 16 Moving molecules through the walls of the intestine into the blood Absorption 14 of 16 Digested molecules become part of the cell Assimilation 15 of 16 Getting rid of waste products Egestion 16 of 16
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