Topic: Nutrition Aim: 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.

Substances that provide energy and materials for cell development, growth and repair Describe nutrients.

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.

Proteins Carbohydrates Vitamins Fats Water Minerals Identify the 6 classes nutrients.

Identify the building blocks of proteins. Amino acids Identify the building blocks of proteins. Identify the elements that make up an amino acid. What is produced by joining many amino acids?

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

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

Replacement and repair of body cells Growth Identify what proteins are used for.

Eggs, milk, cheese, meat Vegetables, fruits, grains Identify 7 different foods that contain proteins.

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

When carbohydrates are broken down in the presence of oxygen in your cells How is energy released from carbohydrates? In which process does this occur?????

Sugar Starch Fiber Identify the 3 types of carbohydrates.

Sugar Glucose Starch Fiber Which type of carbohydrate is a simple carbohydrate? Which types of carbohydrate are complex carbohydrates? Starch Fiber

Fruits Honey Milk List 3 foods that contain simple carbohydrates.

Potatoes Pasta List 2 foods that contain starch.

Other vegetables and fruits Whole grain breads Cereals Beans Peas Other vegetables and fruits List 5 foods that contain fiber.

You cannot digest fiber. It helps push food along through your digestive tract. Why does fiber keep your digestive system running smoothly?

Lipids Identify another name for fats.

Helps body absorb vitamins Cushions internal organs Provide energy Helps body absorb vitamins Cushions internal organs Why are fats necessary for the body?

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

Deposits forming on inside of blood vessels 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.

Needed for growth, regulate body functions, prevent some diseases Identify why vitamins are necessary. Needed for growth, regulate body functions, prevent some diseases

Water-soluble Fat-soluble Identify the 2 types of vitamins, What does “soluble” mean??

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

B vitamins (bacteria in LI) Identify 3 types of vitamins your body produces. Vitamin D (sunlight) Vitamin K B vitamins (bacteria in LI)

Take part in chemical reactions 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)

14 How many minerals do our bodies use? 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