Nutrition
Building blocks of Proteins
Amino Acids
In citrus fruits for collagen production.
Vitamin C (ascorbic acid)
Saliva
Carries food to the stomach.
Esophogus
Approximate length of the Small Intestine.
20 feet
Building blocks of Carbohydrates.
Monosaccharides
Produced in intestines and helps blood to clot.
Vitamin K (naphthoquinone)
Enzyme in saliva
Amylase
Enzyme which digests Protein.
Pepsin
"end" of the stomach
Pylorus (sphincter)
Building blocks of Lipids
Fatty Acids
Needed for visual pigments.
Vitamin A (carotene)
Only nutrient digested in the mouth.
Carbohydrates
Produced by Parietal cells.
HCl or Intrinsic Factor
Finger-like projections which increase surface area for absorption in the small intestine.
Plica or Villi
Middle section of the Small Intestine.
Jejuneum
Increases absorption of Ca++ into bones and teeth.
Vitamin D2 (calciferol)
First step of digestion.
Chewing (mastication)
Produced by Chief cells.
Pepsinogen (pepsin)
Produced in the Liver to break down fats.
Bile
Valve connecting Small Intestine to Large Intestine
Illeocecal Valve
From whole grains
Vitamin B3 (niacin)
Food + Saliva =
Bolus
Food is reduced to this thick liquid in the stomach.
Chyme
Produced pH buffers for the Duodenum
Pancrease