Shona Mistry

Computers 8

Fibre

• Works in the digestive system• Filling -- discourage overeating• Types – soluble and insoluble

– Soluble > lets out bad cholesterol – Insoluble > aids with digestion

• High fibre foods prevent gut cancer• Found in peas, berries, wheat, oats, etc…

Carbohydrates

• Breaks down to be used in muscles and cells• Main source of energy (calories)• Two Types

– Complex > Starches– Simple > Sugars

• 4 cals/g• Found in pasta, wheat, bread, dairy …

Protein

• Helps repair and build body tissues• Fights infection and sickness• Types – incomplete & complete

– Incomplete > do not have all the acids– Complete > have amino all acids

• 70% is from animal products• 75 to 94 grams each day• Too much can be stored as fat• Found in meats, vegetables, wheat, etc…

Fat

• Helps brain and nervous systems work• Keeps skin healthy• Stores Energy• Types - Trans, Saturated, and Unsaturated

– Trans > Bad– Saturated > Very Bad– Unsaturated > Good

• Too much can lead to obesity• 67 grams/day or 600 calories

Water

• Fights dehydration • Removes waste• Carries nutrients through the body• Body would stop working without it• Makes up more than half of body weight • All fluids contain water

• Need about 8 glasses a day

Vitamins

• Travel through bloodstream• Substances that are found in foods we eat• 4 types of Vitamins

– Vitamin D - in milk; helps your bones – Vitamin A - in carrots; helps eyesight. – Vitamin C - in oranges; helps heal wounds– Vitamin B - leafy greens; helps build muscles

• Body needs them to work properly

Minerals

• Helps growth• Two Kinds

– Macrominerals > Calcium, Sodium…– Trace minerals > Iron, Zinc…

• Calcium helps build strong bones• Zinc helps with cell growth• Iron transports oxygen from lungs to body • Potassium muscles and nervous system working • Can be found in most foods

Bibliography

• http://www.lifeclinic.com/focus/nutrition/carbohydrate.asp?printpage=true

• http://kidshealth.org/kid/stay_healthy/food/protein.html

• http://www.medicinenet.com/fiber/article.html

• http://www.kidzworld.com/article/5537-nutrition-facts-about-fat