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Published byAlyson Baker Modified over 9 years ago
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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
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Vitamins and Minerals
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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=s06XzaKq ELk http://www.youtube.com/watch?v=s06XzaKq ELk
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Balanced Diet A well-balanced diet provides enough energy and nutrition for optimal growth and development. – New York Times
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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)
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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) BioEd Online
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Human Digestive System Diagram Villi Mouth Liver Pharynx Stomach Large Intestine Small Intestine Esophagus BioEd Online
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Mechanical and Chemical Digestion Mechanical – Chewing Teeth – Peristalsis http://www.youtube.com /watch?v=rJS-Kh5wCQU http://www.youtube.com /watch?v=rJS-Kh5wCQU Chemical – Alimentary Canal http://www.youtube.com /watch?v=ZeUlh9Cou38 http://www.youtube.com /watch?v=ZeUlh9Cou38 – (only watch until you hear what an alimentary canal is) – Enzymes Amylase Protease Lipase
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Teeth Incisors – cutting Canine – tearing Premolars and Molars- Grinding
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Amylase In human saliva Breaks down starches into sugars. Located in your mouth. Saliva
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Protease Breaks down Protein – (get it PROtease -> PROtein) Is in your pancreas.
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Lipase Breaks down fat Found in your stomach
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Absorption The movement of digested food molecules through the wall of the intestine into the blood.
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Assimilation Movement of digested food molecules into the cells of the body where they are used becoming part of the cells.
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Ingestion The process of taking in food Egestion The removal of undigested food.
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