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Digestive System (Stomach (Functions (Storage, Mechanical digestion into…

- - - - Make/secrete hydrochloric acid
        
        Activates enzymes (ex. pepsinogen)
      - Make/secrete gastric intrinsic factor
        
        Needed for absorption of vitamin B12 (RBC production)
    - - Make/secrete pepsinogen
        
        Becomes pepsin in the presence of acid (enzyme that breaks down proteins)
  - - - Ensures contents of stomach stay in stomach (don't re-enter esophagus)
    - - Regulation of amount of chyme leaving the stomach
- - - - 3 longitudinal strips of muscle
    - - Pouches created by teniae coli (sacs)
    - - Pieces of fat
- - - - Increase surface area & slow movement of chyme
    - - Increase surface area
    - - Increase surface area
  - - - Secrete alkaline mucus (neutralize acid in chyme, protect wall from acid)
    - - Secrete watery substance
    - - Abundance of lymphocytes
- - - - Functions: secretes many enzymes, secretes bicarbonate (alkaline) to neutralize stomach acid
- - - - Physical breakdown into smaller pieces
    - - Chemical breakdown into enzymes, acid, other substances
- - - - Location: jejunum & ileum
    - - Location: transverse colon & sigmoid colon
    - - Location: lesser curvature of stomach to liver
    - - Location: greater curvature of stomach to small/large intestines (double layer of mesentery)