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 Taking in nutrients which are organic substances and mineral ions, containing raw materials or energy for growth and tissue repair, absorbing and assimilating them. ELk ELk

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)

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

Human Digestive System Diagram Villi Mouth Liver Pharynx Stomach Large Intestine Small Intestine Esophagus BioEd Online

Mechanical and Chemical Digestion Mechanical – Chewing Teeth – Peristalsis /watch?v=rJS-Kh5wCQU /watch?v=rJS-Kh5wCQU Chemical – Alimentary Canal /watch?v=ZeUlh9Cou38 /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.