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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.
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Describenutrients.
•Substances that provide energy and materials for cell development, growth and repair
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Identify how is energy measured in food?
• Calories
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What is a calorie?
• The amount of heat necessary to raise the temperature of 1kg of water 1°C.
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Identify the 6 classes nutrients.
• Proteins• Carbohydrates• Vitamins• Fats• Water• Minerals• Vitamins
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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?
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Identify the amino acids that are not made in your body cells.
• Essential amino acids
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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
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Identify what proteins are used for.
• Replacement and repair of body cells
• Growth
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Identify 7 different foods that contain proteins.
• Eggs, milk, cheese, meat• Vegetables, fruits, grains
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Identify the nutrient that is the main source of energy for our bodies..
•Carbohydrates
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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?????
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Identify the 3 types of carbohydrates.
• Sugar• Starch• Fiber
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Which type of carbohydrate is a simple carbohydrate?
• Sugar• Glucose
Which types of carbohydrate are complex carbohydrates?
• Starch• Fiber
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List 3 foods that contain simple carbohydrates.
• Fruits• Honey• Milk
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List 2 foods that contain starch.
• Potatoes• Pasta
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List 5 foods that contain fiber.
• Whole grain breads• Cereals• Beans• Peas• Other vegetables and
fruits
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Why does fiber keep your digestive system running smoothly?
• You cannot digest fiber.
• It helps push food along through your digestive tract.
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Identify another name for fats.
• Lipids
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Why are fats necessary for the body?
• Provide energy• Helps body absorb
vitamins• Cushions internal
organs
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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
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Identify the type of fat associated with high cholesterol levels.
• Saturated fats
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Describe the negative effect of high blood cholesterol.
• Deposits forming on inside of blood vessels• Blocks blood supply to
organs and increases blood pressure
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Severe atherosclerosis of the aorta.
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Identify why vitamins are necessary.
• Needed for growth, regulate body functions, prevent some diseases
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Identify the 2 types of vitamins,
• Water-soluble• Fat-soluble
What does “soluble” mean??
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Which type of vitamin is not stored in the body?,
• Water-soluble
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Identify 3 types of vitamins your body produces.
• Vitamin D (sunlight)• Vitamin K• B vitamins (bacteria
in LI)
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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)
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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
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Why is water necessary for survival?
• Cells need water to carry out their work
• For water-soluble vitamins• Chemical reactions take
place in solutions
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Identify the percentage of water that makes up our body.
• 60%
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Identify three locations in the body where water is found.
• In your cells• Around your cells• In body fluids
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Identify three ways we release water.
• Perspiration• Exhalation• Urine
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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
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Diet-related disease
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• Heart disease
• Type 2 diabetes
• Stroke
• Hypertension
• Obesity
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http://www.brainpop.com/health/nutrition/nutrition/
http://www.youtube.com/watch?v=TTh93TuUEck&feature=related