Topic: NutritionAim: Describe the nutrients that are

needed by the human body.

Do Now: Start ISN activity.

HW: Finish the ISN activity.Collect FIVE different nutrient labels from

foods you eat regularly and bring them to class on Thursday for the Food Label Lab.

Describenutrients.

•Substances that provide energy and materials for cell development, growth and repair

Identify how is energy measured in food?

• Calories

What is a calorie?

• The amount of heat necessary to raise the temperature of 1kg of water 1°C.

Identify the 6 classes nutrients.

• Proteins• Carbohydrates• Vitamins• Fats• Water• Minerals• Vitamins

Identify the building blocks of proteins.

• Amino acids

• Identify the elements that make up an amino acid.

• What is produced by joining many amino acids?

Identify the amino acids that are not made in your body cells.

• Essential amino acids

Essential AA’s

•Arginine

•Histidine

•Isoleucine

•Leucine

•Lysine

•Methionine

•Phenylalanine

•Threonine

•Tryptophan

•Valine

Non-Essential AA’s

•Asparagine

•Aspartic acid

•Cysteine

•Glutamine

•Glycine

•Proline

•Serine

•Tyrosine

•Glutamic acid

•Alanine

Identify what proteins are used for.

• Replacement and repair of body cells

• Growth

Identify 7 different foods that contain proteins.

• Eggs, milk, cheese, meat• Vegetables, fruits, grains

Identify the nutrient that is the main source of energy for our bodies..

•Carbohydrates

How is energy released from carbohydrates?

• When carbohydrates are broken down in the presence of oxygen in your cells

In which process does this occur?????

Identify the 3 types of carbohydrates.

• Sugar• Starch• Fiber

Which type of carbohydrate is a simple carbohydrate?

• Sugar• Glucose

Which types of carbohydrate are complex carbohydrates?

• Starch• Fiber

List 3 foods that contain simple carbohydrates.

• Fruits• Honey• Milk

List 2 foods that contain starch.

• Potatoes• Pasta

List 5 foods that contain fiber.

• Whole grain breads• Cereals• Beans• Peas• Other vegetables and

fruits

Why does fiber keep your digestive system running smoothly?

• You cannot digest fiber.

• It helps push food along through your digestive tract.

Identify another name for fats.

• Lipids

Why are fats necessary for the body?

• Provide energy• Helps body absorb

vitamins• Cushions internal

organs

Identify the 2 types of fats and examples.

• Unsaturated Vegetable oils, found in

seeds • Saturated

Meats, animal products, and some plants

Potato chips, dairy products, meats and pastries

Identify the type of fat associated with high cholesterol levels.

• Saturated fats

Describe the negative effect of high blood cholesterol.

• Deposits forming on inside of blood vessels• Blocks blood supply to

organs and increases blood pressure

Severe atherosclerosis of the aorta.

Identify why vitamins are necessary.

• Needed for growth, regulate body functions, prevent some diseases

Identify the 2 types of vitamins,

• Water-soluble• Fat-soluble

What does “soluble” mean??

Which type of vitamin is not stored in the body?,

• Water-soluble

Identify 3 types of vitamins your body produces.

• Vitamin D (sunlight)• Vitamin K• B vitamins (bacteria

in LI)

Describe why minerals are necessary for the body.

• Build cells• Take part in chemical

reactions• Send nerve impulses

throughout the body (sodium and potassium)

• Carry oxygen to body cells (iron in hemoglobin)

How many minerals do our bodies use?

• 14

Identify 2 minerals that are used in largest amounts and what they are needed for.

• Calcium and phosphorus• Used for the formation

and maintenance of bones

Why is water necessary for survival?

• Cells need water to carry out their work

• For water-soluble vitamins• Chemical reactions take

place in solutions

Identify the percentage of water that makes up our body.

• 60%

Identify three locations in the body where water is found.

• In your cells• Around your cells• In body fluids

Identify three ways we release water.

• Perspiration• Exhalation• Urine

Let’s summarize…:

1. How is energy measured in food?

2. Identify the 6 types of nutrients.

3. Which vitamin is a great source of energy?

4. Which vitamin absorbs vitamins and cushions internal organs?

5. Which vitamin helps dissolve other nutrients?

6. Which vitamin is used for the repair of body cells and growth?

7. Which vitamin is needed for growth, regulate body functions, prevent some diseases?

8. Which vitamin

Diet-related disease

• Heart disease

• Type 2 diabetes

• Stroke

• Hypertension

• Obesity

http://www.brainpop.com/health/nutrition/nutrition/

http://www.youtube.com/watch?v=TTh93TuUEck&feature=related