Nutrition

Nutrition The study of how your bodies use the substances in food to maintain our health Affects your everyday tasks Helps you grow and repair your body Food affects feelings: Hunger peoples eating habits are affected when they are sad, happy, and nervous

Nutrition Digestion- is the process in which food is broken down into a form your body can use Nutrients- are the substances found in food that your body needs to function properly. Your body makes some but most come from food Metabolism- the process of turning nutrients into usable energy.

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

Food choices There are 6 factors that affect food choices: Your personal taste Family traditions Convenience of foods Overall cost of food Foods your friends eat Availability of foods in your area

Nutrients 6 essential nutrients: Fats, proteins, carbohydrates, vitamins, minerals, and water Fats, proteins, and carbohydrates are used for energy Vitamins and minerals control bodily functions Water controls temperature and is a transportation system.

Carbohydrates Chemical composed of one or more simple sugars Can be sugar or starch Starches are many simple sugars Fiber is carb that cannot be broken down 1 gram of carbs is 4 calories

Fats Nutrients that store energy and store vitamins Can be found in solid or liquid Makes food taste better Contains 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 fat Fat can block flow to the heart

Proteins Nutrients that are used for building, maintaining, and repairing tissues and cells. Help make food into energy Meats and poultry good forms of protein 1 gram of protein is 4 calories

Vitamins and minerals Vitamins- organic compounds that control many body functions Minerals- elements that are essential for good health. Can be found in all grown products Each vitamin and mineral has a certain function For example vitamin A helps with vision, and the mineral calcium helps build bones.

Water No energy from water Can live for several weeks without food, but without water a person can only live a few days Is used to fill spaces in the body, and lubricate and transport Regulates body temperature Drink water

Balancing your diet(pg. 102) The dietary guidelines for Americans The food guide pyramid The nutrition facts label What is a serving size What is a portion Build healthy eating habits

Healthy body and body weight What is body image Is the way you see and imagine your body What is a healthy and unhealthy body image Building a healthy body image The media, family I statements Eating disorders/Over exercising Managing your weight Healthy weight range What affects weight Keeping a healthy weight Why do you eat Eating healthfully Stay physically active