How does a nutritious

diet help in having a healthy

body

ObjectivesObjectives Distinguish among the six classes of

nutrients. Identify the importance of each type of

nutrient. Explain the value of nutrients.

Distinguish among the six classes of nutrients.

Identify the importance of each type of nutrient.

Explain the value of nutrients.

Your body needs nutrients found in foods.Your body needs nutrients found in foods.

1. Nutrients provide energy and materials for cell development, growth, and repair.

2. You need energy for every activity and to maintain a steady internal temperature.

1. Nutrients provide energy and materials for cell development, growth, and repair.

2. You need energy for every activity and to maintain a steady internal temperature.

Classes of NutrientsClasses of Nutrients

1. Proteinsa. Used for replacement and repair of body cells and for growthb. Made up of amino acidsc. Found in eggs, milk, cheese, and meatd. Essential amino acids must be supplied by food.

1. Proteinsa. Used for replacement and repair of body cells and for growthb. Made up of amino acidsc. Found in eggs, milk, cheese, and meatd. Essential amino acids must be supplied by food.

2. Carbohydratesa. The main source of energy for your bodyb. Made up of carbon, hydrogen, and oxygen atoms; energy holds these atoms togetherc. Sugars are simple carbohydrates; starch and fiber are complex carbohydrates.d. Sugars are found in fruits, honey, and milk.e. Starches are found in potatoes and pasta.f. Fiber is found in whole-grain breads, beans, and peas.

2. Carbohydratesa. The main source of energy for your bodyb. Made up of carbon, hydrogen, and oxygen atoms; energy holds these atoms togetherc. Sugars are simple carbohydrates; starch and fiber are complex carbohydrates.d. Sugars are found in fruits, honey, and milk.e. Starches are found in potatoes and pasta.f. Fiber is found in whole-grain breads, beans, and peas.

3. Fatsa. Also called lipidsb. Provide energy and help your body absorb vitaminsc. Because fat is a good storage unit for energy, any excess energy is converted to fat.d. Classified as unsaturated or saturated based on their chemical structuree. Saturated fats are associated with high cholesterol.

3. Fatsa. Also called lipidsb. Provide energy and help your body absorb vitaminsc. Because fat is a good storage unit for energy, any excess energy is converted to fat.d. Classified as unsaturated or saturated based on their chemical structuree. Saturated fats are associated with high cholesterol.

4. Vitaminsa. Needed for growth, regulating body functions, and preventing diseaseb. A well-balanced diet usually gives your body all the vitamins it needs.c. Two groups: water-soluble and fat-soluble

4. Vitaminsa. Needed for growth, regulating body functions, and preventing diseaseb. A well-balanced diet usually gives your body all the vitamins it needs.c. Two groups: water-soluble and fat-soluble

5. Mineralsa. Are inorganic nutrientsb. Regulate many chemical reactions in your bodyc. Calcium and phosphorous are used most by the body.

5. Mineralsa. Are inorganic nutrientsb. Regulate many chemical reactions in your bodyc. Calcium and phosphorous are used most by the body.

6. Watera. Required for survival.

b. Cells need water to carry out their work.c. Most nutrients your body needs must be dissolved in water.d. The human body is about 60 percent water.e. You lose water each day when you perspire, exhale, and get rid of wastes.

6. Watera. Required for survival.

b. Cells need water to carry out their work.c. Most nutrients your body needs must be dissolved in water.d. The human body is about 60 percent water.e. You lose water each day when you perspire, exhale, and get rid of wastes.

Food GroupsFood Groups1. Because no food has every

nutrient, you should eat a variety of foods.

2. The food pyramid helps people select foods that supply all the nutrients they need.

3. Foods that contain the same nutrients belong to a food group.

4. Five food groups:a. Bread and cerealb. Vegetablec. Fruitd. Milke. Meat

1. Because no food has every nutrient, you should eat a variety of foods.

2. The food pyramid helps people select foods that supply all the nutrients they need.

3. Foods that contain the same nutrients belong to a food group.

4. Five food groups:a. Bread and cerealb. Vegetablec. Fruitd. Milke. Meat

Why is it important to eat healthy?

• Best way to live a healthy life is to eat a balanced diet

• To provide nutrients that your body needs to function

• To give you more energy and alertness throughout the day

• To prevent future disease and sickness

• Diabetes, obesity and cancer

Basic Nutrition Food pyramid

Recommendation of what to eat based on dietary guidelines

Food pyramid breakdown Fats Dairy Meat Fruits & Vegetables Grains

Grain Group Cereals, breads,

crackers and rice Supplies energy

through carbohydrates 6-11 servings daily

How can you get the right amount of grains? Bread in sandwiches Cereal and oatmeal

during breakfast Rice with dinner

Fruit and Vegetable Group Fruits & Vegetables

Packed with vitamins Low in energy Great source of

minerals Common fruit: apples,

peaches, bananas Common vegetables:

broccoli, carrots and corn

3-5 Servings per day Eat as a snack!

Dairy Group Important sources

of proteins, vitamins and minerals

Rich in calcium Important for teeth

and bones Milk, yogurt, cheese High in Fat Good sources if

vitamins A and D

Why do you need calcium? Essential nutrient for children to

help grow strong bones Reduces the risk of bone disease

when older Increase amount of calcium by

drinking milk!

Meat Primary source of

protein in the diet Protein provides

body with dietary energy needed for growth and repair

Meat, poultry (chicken), fish, eggs and nuts

2-3 servings per day

Good Protein Eating foods with little fat and high

protein can help with the following: Healthy heart Keeping a low cholesterol level Reduce risk of heart disease when you are

older

How you can eat healthier Eat regular meals

Breakfast is the most important meal of the day

Keeps body filled with fuel to get through the day

Eat a variety of foods Fruits and vegetables Try to eat more apples and grapes and less

cookies and chips (junk food) Cut down on high fat and sugar

Drink water or juice instead of soda