1 NUTRIENTS

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4 NUTRIENTS Substances in food that helps with body processes, helps with growth and repair of cells, and provides energy

5 NUTRIENTS Fats Fats Protein Protein Carbohydrates Carbohydrates Water Water Minerals Minerals Vitamins Vitamins

6 CALORIE Unit of energy produced by food and used by the body BASICALLY, it’s our body’s fuel!

7 Proteins Source of energy 4 calories /gram Needed for growth, for building, repairing and maintaining body tissues Skin, hair & nails-mostly proteins

8 Fats Source of energy 9 calories per gram Helps body store and use vitamins Needs fats to maintain body heat, store and use vitamins, maintain an energy reserve and build brain cells Two Types: Saturated & Unsaturated

9 Carbohydrates Source of energy: 4 calories per gram Main source of energy for body Two types: Simple & Complex Complex –Starch: provide long-lasting energy –Fiber: help with digestion Simple –Sugars that enter the blood stream quickly

10 Vitamins Nutrient that helps the body use carbohydrates, proteins and fats Two Types: Fat-Soluble & Water- Soluble Fat Soluble: dissolves in fat, can be stored in the body…ex. A, D, E, K Water Soluble: dissolves in water, can NOT be stored in the body… ex. B complex & C ex. B complex & C

11 Minerals Nutrient that regulates many chemical reactions in the body Calcium: builds strong bones & teeth, maintains bone strength Potassium: rebuilds muscle tissues; can help prevent muscle cramps

12 Water Nutrient that is involved with all body processes, makes up the basic part of the blood, helps remove waste, regulates body temperature Makes up more than 60% of body mass Can live for 3 days or less without it Drink at least 6-8 glasses a day Dehydrated before you feel thirsty

13 Nutrient Percentages Fat: < 30% Carbohydrates: 60% Proteins: 10%

14 Calculate the number of calories consumed…….. A person ate 65 grams of fat, 46 grams of protein and 289 grams of carbohydrates in one day. How many calories did this person consume? 1925 calories