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Unit 3 Human Biology and Health
Chapter 15 Food and Digestion
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Created 9/3/2005
Previous: Bones, Muscles, and Skin Next: Circulation
Teacher Resources Student Extra Credit
15-1 Food and Energy |
15-2 Digestive Process Begins |
15-3 Final Digestion & Absorption |
| Day 1 |
| Topic 15-1 Food and Energy |
| Objectives Identify the nutrients used by the body. Define nutrients. Name two kinds of carbohydrates. List five ways the body uses proteins. Explain why vitamins are important. Explain why minerals are so important. Describe how to use the Food Guide Pyramid to plan a balanced diet. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework Nutrient: chemical substance that is needed to carry out life processes Carbohydrate: nutrient that supplies energy Protein: nutrient needed to build and repair cells Fats: energy storage units Molecule: smallest part of a substance that has all the properties of that substance Amino Acid: building block of proteins Enzyme: protein that controls chemical activities Vitamin: nutrient made by living organisms Deficiency Disease: disease caused by the lack of a certain nutrient Mineral: nutrient needed by the body to develop properly Malnutrition: poor nutrition caused by an unbalanced diet |
| TEC |
| Resources |
| Day 2 |
| Topic How do living things get energy? |
| Objectives Explain how organisms "burn" food to get energy. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework Calorie: unit used to measure energy from foods Oxidation: slow burning of foods in your body
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| TEC |
| Resources
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| Day 3 |
| Topic 15-1 Food and energy |
| Objectives Determine daily calorie intake. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework
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| TEC |
| Resources |
| Day 4 |
| Topic 15-2 The Digestive Process Begins |
| Objectives Identify the organs in the digestive system. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework Digestion: process by which foods are changed into forms the body can use Saliva: liquid in the mouth that helps in digestion Pharnyx: tube connecting the mouth to the esophagus; throat Esophagus: tube that connects the mouth to the stomach Epiglottis: flap of tissue that prevents food from entering the windpipe Peristalsis: wavelike movement that moves food through the digestive tract
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| TEC |
| Resources |
| Day 5 |
| Topic 15-2 Digestion |
| Objectives Compare chemical and mechanical digestion. Explain the function of enzymes. Describe what happens to food once it enters the stomach. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework Chemical Digestion: large food molecules are broken down into smaller food molecules Mechanical Digestion: large pieces of food are crushed into smaller pieces molecules Enamel: hard outer covering of the tooth Dentin: spongy substance below the enamel of the tooth Enzyme: protein that controls chemical reactions in the body Saliva: liquid in the mouth that helps in digestion Gastric Juice: produced in the stomach that contains mucus, pepsin, and HCl acid Pepsin: enzyme that digests proteins Chyme: thick liquid form of food
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| TEC |
| Resources |
| Day 6 |
| Topic 15-3 Final Digestion and Absorption |
| Objectives Describes what happens to food in the small intestine. Describe what happens to food after it leaves the small intestine. |
| State Goals 12.A.1a Identify and describe the component parts of living things and their major functions. 12.A.1b Categorize living organisms using a variety of observable features. |
| Classwork-Homework Liapse: enzyme that digests fats and oils Bile: green liquid that breaks down fats and oils Emulsification: process of breaking down large droplets of fat into small droplets of fat Absorption: movement of food from the digestive system to the blood Colon: large intestine Villi: fingerlike projection on the lining of the small intestine
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| TEC |
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Previous:
Bones, Muscles, and Skin Next: Circulation
Teacher Resources
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| BODY SYSTEMS |
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| DIET |
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| FOOD |
| NUTRIENTS |
| VITAMINS |
Student Extra Credit
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