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Balanced diet
| Question | Answer |
|---|---|
| What does a balanced diet consist of? | carbohydrates, proteins, lipids (fats), vitamins and minerals, water |
| Describe the functions of carbohydrate in the body | carbohydrates are needed for energy / respiration (1) |
| Describe the functions of lipids in the body | lipid / fat are needed for energy / storage / insulation / myelin hormones / protecting organs (1) |
| Describe the functions of proteins in the body | protein is needed for growth / repair / enzyme / hormones / antibodies / neurotransmitter (1) |
| Describe the functions of water in the body | water is needed as solvent / transport / reactions / temperature regulation / prevent constipation / help egestion (food transit) (1) |
| Describe the functions of carbohydrate in the body | fibre / roughage are needed for peristalsis / move food prevent constipation / help egestion (1) |
| Describe the role of vitamin A in the body | Vitamin A is needed to see (involved in the vision) (1) a lack of vitamin A causes night blindness |
| Describe the role of vitamin C in the body | vitamin C is needed for skin / (connective) tissue (1) a lack of vitamin C causes scurvy |
| Describe the role of vitamin D in the body | vitamin D is needed for bones / teeth / calcium absorption (1) a lack of vitamin D causes ricket’s disease |
| Describe the role of calcium in the body | Calcium is needed for strong bones / teeth / milk (1) |
| Describe the role of iron in the body | Iron is needed for making haemoglobin / red blood cells(1) |
| Describe the role of phosphate in the body | Phosphate is needed for respiration (ATP) / strong bones / making DNA / RNA (1) |
| Explain why a pregnant woman may need to take extra minerals and vitamins | this question is in fact asking you to state the role of some vitamins and minerals in the body and use a “more… more…” statement: a pregnant woman needs more Iron, as the foetus is making more red blood cells |
| Explain why a person’s body mass decreases if they do not have their recommended daily energy requirement | that person will start using its own lipid / fat / glycogen (store of carbohydrates in the liver) / protein (1) for respiration (1) |
| What food groups are there in a cheese sandwich | The food groups in a cheese sandwich is carbohydrates, fat and protein |
| What food groups are there in bread? | The food groups in bread is mostly carbohydrates but there is a little bit of sugar |
| what types of foods contain protein? | meat and cheese |
| what types of foods contain fats? | butter, oil, you also find a lot of oil in nuts and cheese |
| what types of foods contain starch? | bread, pasta, rice, flour |
| what types of foods contain sugar? | sweets |
| what types of foods contain fibres? | fruit and veg |
| do we need a lot of fats for our diets? | no |
| Why is it bad to eat too much fat? | it will clog up the arteries (blood vessels) and blood will not be able to go through |
| why do girls need more iron than boys? | When girls have their periods they lose a bit of blood; to make new blood cells, they need iron |
Created by:
ursulinebio
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