Form 5 : Chapter 2 : Nutrition and health

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Nutrition and Health

Transcript of Form 5 : Chapter 2 : Nutrition and health

  • 1. Nutrition and Health

2. Nutrition Balanced diet- A diet that contains all the classes of food in the correct proportions. Calorific value - The energy content of a food. Bomb calorimeter is used to measure calorific value. 3. Bomb Calorimeter 4. Diabetes Excessive intake of sugar. 5. Cause of Diabetes 6. Malnutrition Unhealthy diet 7. Heart disease THOMBOSIS STROKE HEART ATTACK HIGH BLOOD PRESSURE 8. High Blood Pressure Cause: Excessive intake of salt, fats and cholesterol. 9. Marasmus Undernourishment Underweight. Shrunken face Thin arms and legs. 10. Arteriosclerosis Deposits of cholesterols inside the arteries. 11. Obesity Cause: Overeating of high calorie food. 12. Aneroxia Nervosa Phychological problem The person dislike eating May cause death by overstarving. 13. Kwashiorkor Lack of protein in diet. 14. Scurvy Lack of vitamin C in diet. 15. Rickets Lack of vitamin D, calcium, or phosphorus. 16. Night- blindnessLack of vitamin A in diet. Can not see well at night. 17. Nutrition in Plant 18. Nutrition in plants Green plants carry out photosynthesis to make their own food. Plants need micronutrients and macronutrients. Macronutrients are needed in large quantities. Micronutrients are needed in small quantities. 19. Deficiency of Nitrogen 20. Deficiency of Phosphorus Retard growth. Dark green spots or purple. 21. Deficiency of Potassium Yellow patches on mature leaves. Dead tissues like burnt mark at the tip and edge of the leaves. 22. Nitrogen Cycle 1 23. Nitrogen Cycle 2