Pure Science How the body uses nutrients. Social Science The relationship between food and eating behaviors A nutrient is a compound in food that the body requires for growth, maintenance, and functioning. • Some nutrients provide energy for the body because they contain calories. • Some nutrients help in growth and body functions. Types of Nutrients Macronutrient nutrients that provide calories or energy. Carbohydrates Fat Protein Micronutrient nutirents required for growth and development. Vitamins Minerals Water Carbohydrates are macronutrients Function in the body? st Body’s 1 source of energy. –4 calories per gram. Extra is stored as fat. Simple Carbohydrates Definition; • Called “simple sugars”. • Includes glucose. • Found naturally in foods. Examples; • Table sugar & honey. • Candy & soda. • Apples, melons, berries & oranges. • Spinach, broccoli & carrots. • Milk & ice cream. Complex Carbohydrates Definition • Combination of starch (energy) and fiber (helps with bodily functions). Examples • Bread, cereals, pasta, rice, potatoes, yams, corn & peas. • Beans; chick peas, kidney & lima. Fats (Lipids) Function in the body? Provides energy (2nd source used). 9 calories per gram. Protect against injury (cushion). Insulates body. Carries Vitamins A, D, E & K. Saturated Fats “Bad fat” including Trans Fats. SOLID at room temperature. • Some come from animal sources; meat, egg, cheese, butter & milk. • Some come in the form of plants; coconut & palm oil. Unsaturated Fats “Good fat”. LIQUID at room temperature. Food examples: 1. Vegetable oils; corn oil, canola oil & olive oil. 2. Nuts, seeds & avocado. 3. Seafood; salmon, tuna, flounder, herring & trout. Protein Function in the body? • Body’s last source of energy. – 4 calories per gram. • Contains amino acids; building blocks used to repair the body. • Builds & repairs body tissue. • Helps body function properly. Vitamins Definition- A substance made by plants or animals. Found in; fruits, vegetables & vitamin supplements. Functions 1. Helps regulate important body functions. -digestion, absorption & metabolism. 2. Required for growth & development. 3. Helps with overall body function. Minerals •Substances that come from water & soil absorbed by plants. •Humans absorb minerals from the plants they eat. •The human body can not make mineral. Function • Helps body grow & develop. • Helps hydrate the body • Regulate many vital body processes. Water Most vital nutrient. Function Carries nutrients to your cells and removes wastes. • Consume 6-8 cups a day. • Body loses 6-8 cups through urine and sweat a day.