1. Nutrients & Energy

2. Energy Your Body Uses
How the body processes food is called METABOLISM
The speed at which your body processes energy is known as your
BMR (basal metabolic rate)
BMR varies according to a person’s size, age, gender and genetics
Note that muscles burn more energy (calories) than fat!
1.) Explain how your your size, age, gender and genetics affect your BMR.

3. What are Calories? 2.) Are all calories the same?
A unit that measures energy from food
A unit that measures energy used by the body
2.) Are all calories the same?
Use the internet to research the answer

4. Energy in Food The only nutrients that provide energy are . . .
Carbohydrates
1 gram of Carbs = 4 calories
45-65% of your calories should come from carbohydrates
Protein
1 gram of Protein = 4 calories
10-35% of your calories should come from protein
Fat
1 gram of Fat = 9 calories
25-35% of your calories should come from fat

5. Energy Your Body Uses 3.) What is your activity level?
Your body uses/burns calories through physical activity
3.) What is your activity level?
How activities make up your activity level?
Active you must have 60 minutes/day of physical activity
Moderately Active you must have minutes/day
Sedentary you will have fewer than 30 minutes/day

6. Use the internet to research the answer
Energy Balance
Calories in = calories burned
To gain weight- eat more calories than burned
To lose weight- eat fewer calories than burned
4.) What type of calories would you eat to gain weight without gaining fat?
Use the internet to research the answer

7. Nutrient Advice RDAs- Recommended Dietary Allowances
Recommends what kind and how much nutrients your body needs.
Phytonutrients- plants use to fight bacteria, fungi and viruses. May help prevent heart disease and cancer.
5.) What types of food contain phytonutrients?
Use the internet to research the answer

8. Nutrient Advice
Malnutrition- nutrient deficiency (or not getting enough) nutrients
May occur because of poverty, food shortage, health problems, poor choices
6.) Give examples of how each can lead to malnutrition.
Use the internet to research the answer
Poverty, food shortage, health problems, poor choices

9. Nutrient Advice 7.) What is scurvy?
A surplus (too much of a nutrient) can cause health problems as well.
Supplements- sometimes pill or liquid form
Not needed for people who eat a proper diet
High does can be harmful
7.) What is scurvy?
Use the internet to research the answer
8.) How are vitamins different from supplements?