2 NutritionThe study of how your bodies use the substances in food to maintain our healthAffects your everyday tasksHelps you grow and repair your bodyFood affects feelings:Hungerpeoples eating habits are affected when they are sad, happy, and nervous
3 NutritionDigestion- is the process in which food is broken down into a form your body can useNutrients- are the substances found in food that your body needs to function properly.Your body makes some but most come from foodMetabolism- the process of turning nutrients into usable energy.
4 Nutrition Diet- is a pattern of eating Not always about losing weight Diet includes: when your eat, what you eat, how much you eat.Many factors affect diet, one for example is food choices
5 Food choices There are 6 factors that affect food choices: Your personal tasteFamily traditionsConvenience of foodsOverall cost of foodFoods your friends eatAvailability of foods in your area
6 Nutrients 6 essential nutrients: Fats, proteins, carbohydrates, vitamins, minerals, and waterFats, proteins, and carbohydrates are used for energyVitamins and minerals control bodily functionsWater controls temperature and is a transportation system.
7 Carbohydrates Chemical composed of one or more simple sugars Can be sugar or starchStarches are many simple sugarsFiber is carb that cannot be broken down1 gram of carbs is 4 calories
8 Fats Nutrients that store energy and store vitamins Can be found in solid or liquidMakes food taste betterContains more calories than any nutrient, 1 gram of fat is 9 calories.Eating foods high in fat will put more calories in the body then needed, these extra calories are stored as fatFat can block flow to the heart
9 ProteinsNutrients that are used for building, maintaining, and repairing tissues and cells.Help make food into energyMeats and poultry good forms of protein1 gram of protein is 4 calories
10 Vitamins and mineralsVitamins- organic compounds that control many body functionsMinerals- elements that are essential for good health.Can be found in all grown productsEach vitamin and mineral has a certain functionFor example vitamin A helps with vision, and the mineral calcium helps build bones.
11 Water No energy from water Can live for several weeks without food, but without water a person can only live a few daysIs used to fill spaces in the body, and lubricate and transportRegulates body temperatureDrink water
12 Balancing your diet(pg. 102) The dietary guidelines for AmericansThe food guide pyramidThe nutrition facts labelWhat is a serving sizeWhat is a portionBuild healthy eating habits
13 Healthy body and body weight What is body imageIs the way you see and imagine your bodyWhat is a healthy and unhealthy body imageBuilding a healthy body imageThe media, familyI statementsEating disorders/Over exercisingManaging your weightHealthy weight rangeWhat affects weightKeeping a healthy weightWhy do you eatEating healthfullyStay physically active