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| Pregunta | Respuesta |
| The 5 food groups | -carbohydrates -fats -protein -fibre -vitamins & minerals |
| Carbohydrates | Release energy |
| fats | Insulate the body and release energy |
| Protein | Growth, cell repair and replacement |
| fibre | keeps everything moving smoothly through your digestive system |
| vitamins and minerals | To keep skin, bones, blood and everything generally healthy. |
| Why do we need energy? | Energy is needed to fuel chemical reactions in the body that keep you alive.. |
| what is your metabolism? | The chemical reactions in the body |
| What is your metabolic rate? | The speed at which your chemical reactions happen. |
| What happens to your metabolic rate during exercise? | Goes up because you need more energy. |
| An excess of what in the diet can lead to obesity? | Carbohydrate or fat |
| What is obesity? | A common disorder in developed countries. Being 20% (or more) over the maximum recommended body mass. |
| What can cause obesity? | Hormonal problems, bad diet, overeating, lack of exercise. |
| What health problems can arise from obesity? | Arthritis, type 2 diabetes, high blood pressure, heart disease |
| what is starvation? | Not getting enough food of any sort |
| what is malnourishment? | People whose diet is badly out of balance |
| What problems can malnourishment cause? | Slow growth (children), fatigue, poor resistance to infection, irregular periods (women) |
| What can a deficiency in vitamin D cause? | rickets- affects proper growth of skeleton from weakening and softening of bones. |
| /What can a lack of vitamin C cause? | Scurvy- causes problems with the skin, joints and bleeding gums. |
| What can a lack of vitamin A cause? | Blindness. |
| what does exercise do? | Increases the amount of energy used by the body and decreases the amount stored as fat. It also builds muscle so boosts your metabolic rate, |
| What are the three factors affecting health? | -unbalanced diet -exercise -inherited factors |
| What is an inherited factor that can affect metabolic rate? | Under-active thyroid gland -lowers metabolic rate causing obesity. |
| what is cholesterol? | a fatty substance that's essential for good health. |
| What risk is increased when when blood cholesterol level is increased? | Heart disease |
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