Keeping healthy 3.0 / 5 based on 1 rating ? BiologyHealthy livingGCSEAQA Created by: ZakCreated on: 02-01-13 17:19 What happens to your body if you take in too much or too few vitamins? You become malnourished. Too much energy - weight gain; too few vitamins - develop deficiency disease 1 of 10 Why do people become obese? They have taken in more energy than they have used 2 of 10 How can people change their lifestyle to help lower their blood cholesterol levels? They can increase exercise/reduce saturated fat intake 3 of 10 How do pathogens make you feel ill? They produce toxins/damage cells 4 of 10 How are many pathogens prevented from entering the body? The skin stops them (also mucus and stomach acid) 5 of 10 Why are antibiotics only able to kill bacteria? Viruses are inside the body cells 6 of 10 Why do industrial laboratories use 35C instead of 25C as in schools? The bacteria will grow at a faster rate 7 of 10 Why do some pathogens spread rapidly? Very few people are immune to the new pathogen 8 of 10 What is meant by vaccination? Injection (or oral drops) of a dead or inactive pathogen to stimulate the white blood cells to produce antibodies 9 of 10 What are the advantages and disadvantages of vaccination? Advantages - protects the individual and society from serious diseases which may cause death. Disadvantages - may cause side effects in a few people. 10 of 10
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