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Animal Nutrition . Nutrients Carbohydrates Fats Proteins Vitamins C and D Calcium Iron Fiber Ingestion Egestion Minerals (Salts, Calcium and Iron) Balanced Diet Starvation Metabolism Digestion Absorption Assimilation Malnutrition Villi. Vitamins and Minerals. Nutrition .
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Animal Nutrition Nutrients Carbohydrates Fats Proteins Vitamins C and D Calcium Iron Fiber Ingestion Egestion Minerals (Salts, Calcium and Iron) Balanced Diet Starvation Metabolism Digestion Absorption Assimilation Malnutrition Villi
Nutrition • Taking in nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repair, absorbing and assimilating them. • http://www.youtube.com/watch?v=s06XzaKqELk
Balanced Diet • A well-balanced diet provides enough energy and nutrition for optimal growth and development. • New York Times
Malnutrition • Malnutrition is the condition that occurs when your body does not get enough nutrients. • Starvation (not enough nutrients) • Coronary Heart disease (Too much fats) • Constipation (not enough fiber)
BioEd Online Human Digestive System • Digestion is the breakdown of nutrients to a level that can be used by cells of the body. • Structures • GI tract (mouth, pharynx, esophagus, stomach, small intestine, large intestine) • Accessory (teeth, tongue, salivary glands, liver, gall bladder, pancreas)
Mouth Pharynx Esophagus Liver Stomach Large Intestine Small Intestine Villi BioEd Online Human Digestive System Diagram
Mechanical and Chemical Digestion • Mechanical • Chewing • Teeth • Peristalsis • http://www.youtube.com/watch?v=rJS-Kh5wCQU • Chemical • Alimentary Canal • http://www.youtube.com/watch?v=ZeUlh9Cou38 • (only watch until you hear what an alimentary canal is) • Enzymes • Amylase • Protease • Lipase
Teeth • Incisors – cutting • Canine – tearing • Premolars and Molars- Grinding
Amylase • In human saliva • Breaks down starches into sugars. • Located in your mouth. Saliva
Protease • Breaks down Protein • (get it PROtease -> PROtein) • Is in your pancreas.
Lipase • Breaks down fat • Found in your stomach
Absorption • The movement of digested food molecules through the wall of the intestine into the blood.
Assimilation • Movement of digested food molecules into the cells of the body where they are used becoming part of the cells.
Ingestion • The process of taking in food Egestion • The removal of undigested food.