Chapter 7: Nutrition for Life
Unit 2: Health and Your Body
Section 1: Carbs, Fats, and Proteins
Section 2: Vitamins, Minerals, and water
Section 3: Meeting your Nutritional Needs
Section 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
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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.
Carbohydrates
Simple: 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
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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 Life
Unit 2: Health and Your Body
Section 1: Carbs, Fats, and Proteins
Section 2: Vitamins, Minerals, and water
Section 3: Meeting your Nutritional Needs
Section 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
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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 Vitamins
Vitamin
A
D
E
K
Foods that have it
What it does
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?