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Digestive System (Peritoneum/ Mesenteries (mesentery function/structure…

- - - - tongue
        
        gallbladder
        
        salivary gland-parotid gland
        submandibular gland
        sublingual gland
        
        liver
        
        pancreas
  - - - .cut food up small
        .stomach
        .teeth
        .small interstine
        
        segmentation
        
        mixes food with digestive juices and slowly propelled
    - - .add chemical like enzymes
        .mouth saliva
        stomach
        .small intestine
  - - - pharynx
        
        esophagus
        
        stomach/ small intestine/ large intestine
        
        anus
  - - - pharynx-oropharynx-laryngopharynx
        
        esophagus
        
        stomach
        
        small intestine
        
        large intestine
        
        anus
- - - - produce hydrochloric acid (HCL) and intrinsic acid
      - intrinsic acid help absorb vitamin B12
        
        vitamin B12 to produce erythrocytes
    - - secretes enzymatic protein pepsinogen
- - - - secreted/produces 22 or more enzymes to enter to duodenum
    - - produce bicarbonate ( alkaline substance) to neutralize stomach acid
- - - - .absorption of nutrient
        .mechanical digestion/ segmentation
        .chemical digestion/ enzymes
        
        microvilli
        
        increased intestinal surface
        
        duodenal gland
        
        secreted alkaline mucus to neutralize acid from stomach
        
        villi
        
        absorb digested nutrient
        
        intestinal gland
        
        secreted watery intestinal juices / mucosa
        
        circular folds
        
        .increasing absorption surface area
        .slowing the chyme movement to absorption of nutrient
        
        lymphatic nodules
        
        collection of lymphocytes
        
        ileocecal valve
        
        prevent movement back up of chyme from large intestine back to small intestine
  - - - .mucus glands-lubrication
        .internal (smooth muscle)/ external sphincter( skeletal muscle)
    - - .3 longitudinal strips muscle
        .pull large intestine to pucker into sac
    - - storage and well developed muscle to expel feces
    - - colon pouches
    - - water and electrolytes ions (K+, Ca2+, Cl,Na+) absorption
    - - fat filled pouches of visceral peritoneum