Chapter 8- Nutrition 9/15/15

ASSIGNMENT NOTEBOOK ASSIGNMENT  I WILL BE CHECKING YOUR ASSIGNMENT NOTEBOOKS AT THE Beginning OF THE PERIOD EACH DAY.  Your notebooks should have ALL assignments written for the previous day, and the classes that you go to before my class. This will be worth 5 Preparedness points per day.

Warm up: Carbs, Fats, and Proteins  Quick quiz on page 192 in notebook  Explain each answer in complete sentences  Class Brainstorm; Examples of Carbs, Fats Proteins

Why does your body need food?  Nutrients are substances that the body needs to regulate bodily functions, promote growth, repair body tissues, and obtain energy.  Over 40 nutrients are needed in the body for these tasks  Nutrition: the process of taking nutrients from the food that you eat  6 classes of nutrients and their functions

Food= Energy  Carbs, Fats, Proteins give your body energy when they are consumed.  The amount of energy released depends on the number of calories in the food.  The chemical breakdown of food to release energy is known as METABOLISM.

Carbohydrates  DISCUSS: What do Carbohydrates do??  Simple Carbohydrates: are known as Sugars, Sugars occur naturally in fruits, veggies, and milk. They are added to other foods; candy, cookies, soft drinks.  Complex Carbs: are a chain of sugars (starches), the main type is starch. Examples include Potatoes, grains, rice, oats, corn.  Complex vs. Simple Carbs  Starches vs. Sugars- Complex carbs provide better long term sustained energy. Simple carbs (sugars) provide short burst of energy.

Carbs continued  Glucose: major provider of energy for the body, all types of sugar are converted to glucose once they are inside the body.  Glycogen; Extra glucose is stored as glycogen, is used by body and converted back to glucose. Excess is stored as fat.  Carb= Sugar= Glucose= Energy  Excess Glucose= Glycogen= Stored as fat

Fats  Fats supply the body with energy form your cells, protect nerves and maintain body temperature. Ounce for Ounce fats have 2x amount of calories as carbs. (20-30% of daily calorie intake)  Saturated fats: are usually solid at room temperature and come from animals  Found in lard and dairy products  Can lean to heart disease  Unsaturated fats: Usually are liquid at room temperature. Are classified as monounsaturated or polyunsaturated fats.  Are found in oils like soybean, olive, peanut, canola, safflower, soybean, and seafood.  Improve cardiovascular health and help fight heart disease

Fats Cont’d  Trans Fat: Help foods stay fresh longer BUT they have many of the same risks as saturated fats and few benefits of non saturated fats.  Cholesterol: found in only animal products, helps to make cell membranes and nerve tissue, certain hormones, and substances that aid in the digestion of fat.  Cholesterol is made in the liver, so your body can make all the cholesterol you need.  A diet high in cholesterol and fat leads to a build up of plaque in the arteries, this is also known as a

PROTEIN  Protein helps with the growth and repair of your bodys tissues (builds muscle) examples include meats, eggs, poultry, milk, and milk products.  Amino Acids: form the links of protein chains, When you eat protein your body breaks it down into individual amino acids, these are then reformatted to create the type of protein your body needs. There are 9 essential amino acids  Meats fish that contain all 9 = complete proteins  Plant sources are incomplete and lack at least 1 of the 9 essential amino acides.