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PT3 Science

Home > Study Notes > PT3 Science
Published in: Biology | Science
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Nutrition Notes

Tan C / Kuching

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Qualification: Degree

Teaches: Mathematics, Physics, Science, Additional Math, Chemistry, Additional Maths

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  1. . Formative Practice I. Name the food class based on the functions given. Food class Function (a) (b) (c) (d) Regulates body temperature Heals damaged body tissues Required for energy Protects from diseases 2. Name the diseases caused by deficiencies of the following vitamins. (a) Vitamin A (c) Vitamin C (b) Vitamin B (d) Vitamin D 3. State the effects to our health caused by deficiencies of the following minerals. (a) Iodine (b) Iron (c) Phosphorus Formative Practice 3.3 1. 2. 3. 4. What is meant by digestion? Complete the flow chart about the flow of food in the digestive tract. (a) (b) (c) Name three digestive enzymes and state their function. A man with a tumour in his pancreas had a surgery to remove his pancreas. Explain the effect on the process of digestion.
  2. 3.2 •eF.ormative .Practicéz 1. 2. 3. 4. 5. 6. What is meant by a balanced diet? State the factors that influence calorific requirement. Compare the energy requirements of a SC-year-old woman and 50-year-old man. Give the definition for calorific value of food. Suraya is a long-distance runner. She has breakfast as shown in the photographs below before going for a practice session. VVhdt is the calorific value of the food consumed by Suraya? Jn your opinion, has Suraya taken a balanced meal? A cup of cornflakes (160 kcal) and a cup of milk (130 kcal) A plate of nasi temak (400 kcal) An apple (60 kcal) Mr. Robert originates from Switzerland and now lives in Malaysia. Mr. Robert works as a diplomatic officer. He finds that his daily food requirements are tess compared to when he was in Switzerland. Why? *Formative Practice 3.4 1. The figure on the right shows the human large intestine. (a) Name Xand state its function. (b) What is the movement that helps the movement of undigested food through the large intestine? (c) What is reabsorbed by the large intestine? 2. Kusairi does not like eating fruits and vegetables. Whal is the effect on his health? x

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