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iGCSE revision powerpoint 3

iGCSE revision powerpoint 3. There are 100 questions !. Nutrition. What type of food are these? What are they used for in the body?. Nutrition 2. What is protein needed for? What is another word for “fats and oils”? Which food is a source of Vitamin A? What is Vitamin C needed for?

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iGCSE revision powerpoint 3

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  1. iGCSE revision powerpoint 3 There are 100 questions!

  2. Nutrition • What type of food are these? • What are they used for in the body?

  3. Nutrition 2 • What is protein needed for? • What is another word for “fats and oils”? • Which food is a source of Vitamin A? • What is Vitamin C needed for? • What is Calcium needed for? • And Iron? • Why is fibre needed?

  4. The alimentary canal 10 – 18 top to bottom, left first then right. 19 - 20 give two reasons why the stomach contains HCl 21 – what is the job of the pancreas in the digestive system?

  5. Digestion words • Which word describes taking food into the mouth? • Give a definition of “digestion”. • What is assimilation? • Which word describes getting rid of undigested food? (clue: it is NOT pooing) • Which word describes the muscular contractions which move food through the system?

  6. Digestive enzymes – fill in the table

  7. More digestion • Where is bile produced? • Where is it stored? 36 – 37 What two jobs does it do? 38. What is this? 39. Where would you find it? 40-41 give two ways in which it is adapted for efficient absorption

  8. Biological molecules 42 – 43 How would you test for starch? 44 – 46 How would you test for glucose? • What is going on here? • What would happen to the thing labelled B if it got too hot?

  9. Respiration • Where in the body does this happen? • Write the word equation. • (H) Write the symbol equation. 52 – 53 Give two differences between aerobic and anaerobic respiration. 54 – what is produced in anaerobic respiration in plants? 55 – what is produced in anaerobic respiration in animals?

  10. Lungs • Part labelled A and B. • What does this have to strengthen it? • Part C • What is between these? • Part G • Part E

  11. More lungs 62. What is the name for the upper part of the body where the lungs are found? • What is the name of the membrane surrounding the lungs? • What is the name of the air sacs? 65. What happens in the air sacs? 66 – 68 give three ways in which no. 64 are adapted for no. 65

  12. Smoking • What, exactly, has made these lungs go black? • What is the problem with carbon monoxide from cigarettes? 71. What is the stuff which is addictive? 72. Why do smokers cough?

  13. Heart 73 – 84 Top to bottom, left side first.

  14. Blood 85-87 top to bottom 88 – what is the liquid called? 89-92 name four things transported In this liquid 93-94 describe two ways in which white blood cells protect against disease.

  15. Circulation 95-97 Left to right 98 – the blood vessels to and from the lungs are? 99 – the blood vessels to and from the kidneys are? 100 – the blood vessels to and from the liver are?

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