1. Chapter 9
Nutrition
Lesson 1
Nutrients Your Body Needs

2. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Health eSpotlight Video
Watch the video and complete the questions.
List three foods that you believe are healthy choices?
Describe how a person who chooses healthy foods might be overweight.
Lesson Home

3. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Understanding Nutrients
Nutrients provide the building blocks needed to grow and to repair your body.
Learning about nutrients, and nutrition can help you make more healthful choices about the foods you eat.
New Vocabulary
nutrients Substances in foods that your body needs to grow, have energy, and stay healthy
New Vocabulary
nutrition The process of taking in food and using it for energy, growth, and good health. It is the science that studies the substances in food and how the body uses them
Lesson Home

4. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Understanding Nutrients
Helps the body repair damaged cells
Helps the body build new tissue
Helps the body produce energy
Lesson Home

5. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Proteins
Proteins help your body heal and play an important role in fighting disease because parts of your immune system are made of proteins. They are made of chemical building blocks called amino acids. Foods such as meat, fish, eggs, dairy products, and soybeans provide all the amino acids your body needs.
A person who follows a vegetarian diet may need to combine certain plant foods, such as beans and rice to gain all the needed amino acids.
New Vocabulary
proteins The nutrient group used to build and repair cells. Proteins are complete only when they have all needed amino acids.
Lesson Home

6. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Carbohydrates
Carbohydrates are your body’s main source of energy. About 45 to 65 percent of your daily energy needs some come from carbohydrates. They are sugars and starches that occur naturally in foods, mainly plants. Nutritionists say that about half to 2/3 of your daily energy should come from carbs.
New Vocabulary
carbohydrates The starches and sugars found in foods
Lesson Home

7. Two Types of Carbohydrates
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Carbohydrates
Two Types of Carbohydrates
Simple carbohydrates are sugars.
Complex carbohydrates are starches.
Fruit
Potatoes
Milk
Seeds
Honey
Whole-grain cereals
Lesson Home

8. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Carbohydrates
Fiber carries wastes out of your body. Eating high-fiber foods can lower your risk of heart disease and some types of cancer. They are found in raw fruits and vegetables and cannot be digested.
New Vocabulary
fiber A complex carbohydrate that the body cannot break down or use for energy
Lesson Home

9. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Fats
Your body uses fats to keep you healthy by building and maintaining your cell membranes. Fats also carry certain vitamins in your bloodstream. They can help you feel full after eating a meal.
New Vocabulary
fats Nutrients that promote normal growth, give you energy, and keep your skin healthy
Lesson Home

10. Found in animal produces such as butter, cheese, fatty meats
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Trans Fats
They are fats that start off as oils and are made solid through processing.
Fats
Fats
Saturated Fats
Unsaturated Fats
Found in animal produces such as butter, cheese, fatty meats
They remain liquid at room temperature. Examples: Plant foods such as olive oil, nuts, and avocados
Lesson Home

11. LDL (low-density lipoprotein) HDL (high-density lipoprotein)
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Cholesterol
Cholesterol is a fatty substance found in the blood. It is a waxy chemical
that our bodies produce and needs in small amounts
LDL (low-density lipoprotein)
HDL (high-density lipoprotein)
Collects on the walls of arteries and forms plaque
Removes LDL from the arteries
Plaque is a thick, hard substance.
If too much plaque builds up it can block the arteries and cause heart attacks and strokes.
Known as “bad cholesterol”
Known as “good cholesterol”
Eating too much saturated fat can increase the body’s level of cholesterol.
Lesson Home

12. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Vitamins and Minerals
Vitamins and minerals are essential to your body’s health.
New Vocabulary
vitamins Substances that help your body fight infection and disease and use other nutrients, among other jobs. They also help regulate a variety of body process and produce energy for your body.
Click to add notes
New Vocabulary
minerals Elements that help form healthy bones, teeth, your blood and your heart. Sodium is a mineral that helps control the amount of fluid in your body. Calcium is another example of a mineral.
Lesson Home

13. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Vitamins and Minerals
Vitamins
Water-Soluble
Fat-Soluble
Not stored in the body
Stored in the body
Must be consumed regularly
Stored in the body’s fat until they are needed.
The best way to get vitamins and minerals is to choose nutritious foods.
Lesson Home

14. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Lesson Home

15. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Water
Water
Helps digest and absorb food. (Helps the digestive system)
Regulates body temperature and blood circulation.
Carries nutrients and oxygen to cells.
Removes toxins and other wastes.
Cushions joints.
Protects tissues and organs from shock and damage.
Lesson Home

16. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
BIG IDEA
Each nutrient plays a specific role in keeping your body healthy.
Water
Water is essential to ALL body functions!
Dehydration is a lack of water in the body.
Teen girls should drink about nine cups of water per day and teen boys should drink about 13 cups of water each day.
Drink more water during vigorous activity or hot weather.
Choose water or milk most of the time and limit your intake of juice or soda.
Lesson Home

17. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
After You Read
Vocabulary Define the term nutrition. Use it in an original sentence.
Lesson Home

18. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
After You Read
Identify Name the six categories of nutrients.
Lesson Home

19. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
After You Read
Explain How do vitamins help your body?
Lesson Home

20. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
Thinking Critically
Hypothesize How can the foods you choose to eat today affect your health in the future?
Lesson Home

21. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
Thinking Critically
Accessing Information What is fiber and what does it do for your body? Research foods that are high in fiber. Identify at least 5 foods that are high in fiber.
Lesson Home

22. Nutrients Your Body Needs
LESSON 1
Nutrients Your Body Needs
Lesson 1 Review
Applying Health Skills
Practicing Healthful Behaviors Study your school’s weekly lunch menu. Find the most healthful food choices. Then make a plan to include these healthful choices in your daily diet.
Lesson Home

23. Chapter 9
Nutrition
END
Lesson 1
Nutrients Your Body Needs