Nutrition

Nutrition

The study of how your bodies use the substances in food to maintain our health

Affects your everyday tasksHelps you grow and repair your bodyFood affects feelings:

Hungerpeoples 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 waterCan 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 temperatureDrink water

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

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