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Digestive system

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  • Ingestion

    Bringing food into the body

  • Mastication

    chewing

  • propulsion

    movement of food from one location to the other

  • Mechanical

    physical breakdown of food from large sized to stomach

  • Chemical

    Breakdown of food components at a molecular level

  • Absorption

    Bring water and nutrients from outside environment to inside

  • Secretion

    Expel hormones or digestive enzymes from accessory organs to GI trunk

  • Defection

    Elimination of food wastes from the body

  • Layers of Alimentary canal: D-S

    Mucosa

    Submucosa

    muscularis externa

    Serosa

  • 2 TYPES OF DIGESTIVE SYSTEM ORGANS

    Alimentary canal

    Accessory digestive organs

  • Mucosa F

    secrect mucus digestive enzymes and hormons