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# Macronutrients
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- We need a larger amount
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- Provides Calories
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## Carbs
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- Provides 4 calories per gram
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## Protein
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- Provides 4 calories per gram
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## Lipids/Fats
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- Provides 9 calories per gram
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# Micronutrients
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- Smaller Amounts
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- Don't provide calories
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## Vitamins
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## Minerals
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## Water
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- Not a macro or micronutrient, but still one of the 6 major nutrition groups
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## Alcohol
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- While not in a food group, provides 7 calories per gram
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# Digestive System
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1. Mouth
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2024-12-03 19:21:09 +00:00
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- Digestion of carbs/starches, and fats begin here.
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- Mechanical digestion (chewing)
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- Chemical digestion (amalayses (starch) and lipases (fat) in the mouth)
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2. Esophagus
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3. Gastroesophageal/Lower Esophageal/Cardiac Sphincter
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- When this sphincter misfires, it can cause heartburn or gastroesphageal reflex disease (GERD)
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4. Stomach
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- Protein
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5. Pyloric Sphincter
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6. Small Intestine (DJI)
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1. Duodenum
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2. Jejunum
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3. Ilium
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2024-12-03 19:16:09 +00:00
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# DRI (Dietary Reference Intakes)
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## EAR
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## RDA
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## AI
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## UL
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## AMDR
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## EER
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