Chapter 7: Nutrition for LifeUnit 2: Health and Your Body

Section 1: Carbs, Fats, and ProteinsSection 2: Vitamins, Minerals, and waterSection 3: Meeting your Nutritional NeedsSection 4: Choosing a Healthful Diet

Do Now

• What are your favorite foods?• Would you consider them to be healthy or

nutritious?• How would you rate your eating habits, from 1

to 5 with 5 being the highest. • Please explain why.

Objectives

• Name the 6 classes of nutrients• Identify the functions and food sources of

carbohydrates, proteins, and fats.• Describe the need for enough fiber in your

diet.• Identify one health disorder linked to high

levels of saturated fats in the diet.• Describe how diet can influence health.

Key Terms

• Nutrition:• Nutrient: • Carbohydrate:• Fat:• Protein:

What is Nutrition

• Nutrition: the study of food. • Nutrients: substance in food that provides

energy.

Six Classes of Nutrients

1. Carbohydrate: Nutrient that provides energy (sugar, starch, fibers).

2. Fat: Stores energy in the body. 3. Protein: Amino acids that repair and build

body structures such as muscles. 4. Vitamins: 5. Minerals:6. Water:

Balanced Diet Keeps You Healthy

• Too little food: weight loss, poor growth, and possible death.

• Too much food: Excess body fat, heart disease, high blood pressure,

• Diseases caused by poor nutrition: Obesity, heart disease, osteoporosis, cancer, and diabetes.

CarbohydratesSimple: Sugars Complex: Starches

sugar Starch

Fruit potatoes

Milk Beans and peas

Candy Grains such as rice

soda Corn

Cakes bread

NO NUTRIENTS in these foods CONTAINS NUTRIENTS

Carbohydrates continued…

• Glycogen: Quick energy reserve • Fiber: Can not be digested but is good for

intestines and colon.

Fats

• Saturated Fat: Milk, butter, ice cream, – Leads to obesity

• Unsaturated Fat: olive oil, canola oil, peanut oil, flower oil, soybean oil – Can protect from heart disease

• Cholesterol: Found in animals. Forms on blood vessels and restricts blood flow.

Proteins

• Repairs the body and helps create new cells.

• Complete Proteins: Meat, eggs, and dairy. • Incomplete Proteins: Beans, grains, and

vegetables.

• Both are necessary in a healthy diet. 10-35% of calories should come from proteins.

Exit Slip: Unit 7. Sec 1

• What are the 6 classes of nutrients? • Define protein and provide 3 examples.• Define Carbohydrate and provide 3 examples.• Define fat and provide 2 examples.

Chapter 7: Nutrition for LifeUnit 2: Health and Your Body

Section 1: Carbs, Fats, and ProteinsSection 2: Vitamins, Minerals, and waterSection 3: Meeting your Nutritional NeedsSection 4: Choosing a Healthful Diet

Do Now

• Self-assess your drinking habits.– What do you drink the most? Soda, juice, water?

How much water do you drink a day?

How many glasses of water do you think are required a day?

Objectives

• Describe the functions and food sources of 7 Vitamins

• Describe the functions and food sources of 7 minerals.

• Identify the importance of drinking enough water every day.

• Name 2 ways to increase your calcium intake.

Key Terms

• Vitamin • Mineral • Nutrient• Nutrient Deficiency

Vitamins

• Vitamins are a class of nutrients that contain carbon and are needed in small amounts.

• 2 types– Fat Soluble Vitamins – Water Soluble Vitamins

Fat-Soluble VitaminsVitamin Foods that have it What it does

A

D

E

K

Water-Soluble Vitamins Vitamin Foods that have it What it does

Minerals

• Are a class of nutrients that are chemical elements that are needed for certain processes, such as enzyme activity and bone formation.– Vitamins and Mineral Supplements – Sodium – Calcium – Iron

Water

• 60% of your body is made up of water. • Drink 8 glasses of water a day.

Exit Slip: Unit2, Sec2

• What is a vitamin and what are the two types? • Which food has Vitamin A and how does it

help your body? • What is a mineral? Provide 3 examples. • What percent of your body is made up of

water and how many glasses of water should you drink a day?