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Lesson 2 The Nutrients You Need
Bellringer
Write a short paragraph that discusses whether
Calories are good or bad for your health.
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Copyright © by Holt, Rinehart and Winston. All rights reserved.
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Lesson 2 The Nutrients You Need
Objectives
• Describe each of the six essential nutrients.
• Identify foods that are good sources of each
nutrient.
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Copyright © by Holt, Rinehart and Winston. All rights reserved.
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Lesson 2 The Nutrients You Need
Start Off Write
How much fat does your body need to stay healthy?
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Lesson 2 The Nutrients You Need
The Six Essential Nutrients
• The nutrients that you get from food are called the
essential nutrients. The six classes of essential
nutrients are:
1. carbohydrates
2. fats
3. proteins
4. vitamins
5. minerals
6. water
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Lesson 2 The Nutrients You Need
Carbohydrates
• A carbohydrate is a chemical composed of one or
more simple sugars. Carbohydrates can be sugars
or starches.
• Sugars are found in foods such as fruit, honey,
table sugar, candy, and desserts.
• Starches are found in foods such as rice, pasta,
and bread.
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Lesson 2 The Nutrients You Need
Proteins
• Proteins are nutrients that supply the body with
energy for building, maintaining, and repairing
tissues and cells.
• Proteins help the body break down and use
nutrients for energy. Proteins are also the building
blocks for muscles.
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Lesson 2 The Nutrients You Need
Fats
• Fats are nutrients that store energy and store some
vitamins.
• Fats are used for many things in the body, including
helping your body produce hormones.
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Lesson 2 The Nutrients You Need
Vitamins
• Vitamins are organic compounds that control many
body functions.
• Vitamins help your body use the energy provided
by other nutrients.
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Lesson 2 The Nutrients You Need
Minerals
• Minerals are elements that are essential for good
health.
• Iron helps your blood transport oxygen through
your body.
• Calcium is important for building and keeping
strong bones.
• Sodium and potassium help regulate blood
pressure.
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Minerals and vitamins can be found in many kinds of foods.
Copyright © by Holt, Rinehart and Winston. All rights reserved.
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Lesson 2 The Nutrients You Need
Water
Your body uses water to do many things including:
1. transport food and nutrients
2. keep your mouth and eyes moist
3. wash away waste products
4. regulate your body temperature
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Quote of the Day
“Don’t dig your grave with your own knife
and fork.”
—English Proverb
