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Nutritional Needs
Transcript
Macro vs Micro
Nutrients
Macro
Micro
- Vitamins-speed up reactions; serve as antioxidants
- Minerals- inorganic substances, ex: calcium
- Carbohydrates- sugars and starches; provide energy.
- Proteins- long chains of amino acids; provide raw materials to build tissues
- Fats and oils- lipids; provides what protein and carbohydrates provide.
Physical Processes
Definition
- Tongue- muscular organ that forms and softens food
- Pharynx
- Uvula
- Epiglottis- small flap of cartilage over your trachea
3 Major Functions
Gastroenterology
Food Processors
The study of the structure, functions, disorders, and disease of the digestive system.
- Teeth- composed of crown and root.
- Tongue
- Salivary glands
- Digestion of Foods
- Absorption of nutrients
- Elimination of wastes
Health
Chemical Processes
- Digestion is controlled by enzymes
- Protein molecules designed to activate or speed up chemical reactions
- Salivary glands- produce saliva
GI Tract
- Mouth- teeth, tongue, saliva
- Esophagus- sphincter muscle
- Stomach- uses gastric juice to turn food into chyme
- Small Intestine- main digestion
- Pancreas, Liver, Gallbladder
- Colon-large intestine which focuses on the elimination of waste
- Appendix
- Rectum- excretion
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