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Digestive System (Activities of the Digestive system (Propulsion…

- - - - Breaking food down into smaller peices
  - - - Breaks food down further for absorption
  - - - moving food down through the digestive tract
    - - Moving food through the digestive tract
- - - - helps to prevent the crossing of microbes
  - - - Peristalsis and mixing
      - Myenteric nerve plexus
    - - Peristalsis and Mixing
    - - Controls muscle contractions
  - - - Small blood vessels and nerves
    - - Deep to the Lamina Propria
        
        releases secretions
    - - Simple Columnar
      - Stratified Columnar
    - - Gastric pit
        
        Surface Mucous Cell
        
        Secrete alkaline product containing Mucin
        
        Mucous Neck Cell
        
        Produce acidic Mucin
        
        Simple Columnar Epithelium
      - Gastric Gland
        
        Mucous neck cell
        
        Parietal Cell
        
        Intrinsic Factor
        
        Required for B12 absorption
        
        HCl
        
        Chief Cell
        
        Create and release Pepsinogen
        
        Produce and release Gastric Lypase
        
        G-Cell
        
        Secrete Gastrin Hormone
        
        stimulates stomach motility and secretions
  - - - areolar, collagen fibers, elastic fibers
        
        The outside of Peritoneal cavity
    - - contains areolar, collagen fibers, and elastic fibers
        
        Part within the Peritoneal cavity
        
        Covered in a serous membrane
- - - - Stores, concentrates, and releases Bile
        
        Chemically breaks down food for absorption
    - - Produces Saliva
        
        Begins the chemical process of food breakdown
    - - Located in mouth
        
        mechanical digestion
    - - Produces Bile
        
        Fat Emulsification
    - - Located in Mouth
        
        Mechanical digestion
    - - Release Digestive Enzymes
        
        Pancreatic Amylase
        
        Digestion of starches
        
        Pancreatic Protease
        
        Digestion of proteins
        
        Pancreatic Lipase
        
        Digestion of Triglycerides
  - - - Chemically breaks down food into easier to digest particals
    - - Pushes food down the digestive tract towards LI
    - - Secretes mucous
        
        helps with motility
        
        pushes food down towards the stomach
    - - Secretes mucous
        
        helps with motility of food
    - - Chemical Digestion begins
      - Mechanical digestion through chewing
    - - Chemical digestion
      - Mechanical digetion