BIOLOGY 4.0 / 5 based on 1 rating ? BiologyGCSEAQA Created by: Ellen McKinneyCreated on: 19-12-12 21:41 What do carbohydrates, fats and proteins do to help the body? Release energy and build cells. Fats used for insulation and proteins used for growth and repair. 1 of 18 What do minerals and vitamins do to help the body? Needed in small amounts for healthy functioning of the body. 2 of 18 When does a person lose mass? When the enrgy content of the food taken in is less thant the amount of energy expended by the body. 3 of 18 What increases the expendation of energy by the body? Exercise 4 of 18 What is your Metabolic Rate? Rate at which all the chemical reactions in the cells of the body are carried out. 5 of 18 What affects your Metabolic Rate? Amount of activity, inherited factors and proportion of muscle to fat. 6 of 18 What else do inherited factors affect? Cholesterol levels 7 of 18 Why does the proportion of muscle to fat increase your metabolic rate? Muscle needs more energy than fatty tissue 8 of 18 How does exercise increase your metabolic rate? Builds muscle 9 of 18 What is meant by someone's diet is unbalanced? They are malnourished 10 of 18 What leads to obesity? Excess carbohydrates or fats in the body, hormonal problems, overeating, lack of exercise 11 of 18 What health problems arise when obese? Arthritis, type 2 diabetes, high blood pressure, heart disease and cancer 12 of 18 What leads to the increase in blood cholesterol levels? Too much saturated fat in the diet and eating too much salt. 13 of 18 What health problems arise when consuming too little? Slow growth, fatigue, poor resistance to infection, irregular periods in women and deficiency disease e.g Scurvy 14 of 18 How does exercise help the body? Increases amount of energy used by the body and decreases the amount stored as fat. 15 of 18 If you exercise, does it matter if your diet is unbalanced? Yes, you can be fit but malnourished. 16 of 18 What is cholesterol? Fatty substance that is essential for good health. Found in every cell in the body. Too much can lead to health problems. 17 of 18 What is your lifestyle? What you eat and what you do 18 of 18
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