1. Diet has always played a vital role in supporting health. As a result, improper nutrition can put us at risk of becoming malnourished. Define the term malnutrition.
Malnutrition means an incorrect or unbalanced intake of nutrients e.g. obesity, kwashiorkor…
……any condition caused by excess or deficient food energy or nutrient intake or by an imbalance of nutrients.
2a. Complete the following table:
Food groups | Main nutrients | Two food examples | Staples | Carbohydrate | Honey, chocolate, ice-cream, sweets, banana, beet, macaroni, ground provision, bread… | Fats & oils | Fats | Meat, egg yolk, oily fish, avocado pear, peanut, Soya, sesame oil, fish liver oils, milk and milk products e.g. cheese. | Food from animals | Proteins | Meat, cheese, fish, milk, eggs, yogurt, sardine, sausage, etc. | Legumes | Proteins | pulses i.e. peas and beans, nuts, seeds | Vegetables | Vitamins, Minerals, Water | Patchoi, lettuce, cucumber, carrots, cauliflower, broccoli, etcMango, cherry, plum, apple, orange, lime, melon, guava, etc.hard water, soft water, fruits, vegetables, juices, tap and bottle water | Fruits | Vitamins, Minerals, Water | |
State two functions of:
Carbohydrate a. Metabolism: the complex metabolism of the body requires a source of energy. b. Provides energy c. Acts as a protein sparer so that protein can be used for its primary functions. d. Stimulates the digestive tract(roughage)
Proteins a. Vital to the growth, repair and maintenance of the body. b. Can also be used to provide the body with energy. c. Growth and tissue repairs especially for children, expectants, nursing mothers and invalids
Fats a. Provide convenient and concentrated source of energy. b. Surrounds and protects