Digestive system


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Digestive system

  1. 1. Digestion from the Mouth • Tongue – pushes the food to the back of your mouth • Pharynx - an alimentary canal where food goes down after the digestion in theBolus – a soft, mass of rounded ball mouthof food that is being chewed
  2. 2. a flap of tissue that closes over thetrachea to prevent the food fromentering
  3. 3. Cardiac sphincter – closes and opens to allow the flow of food from the esophagus to the stomach Pyloric valve or sphincter – opens andcloses to allow the food getting in the smallintestine
  4. 4. Digestion in the Small Intestine3 Major Parts1. duodenum – upper 20 cm2. jejunum – 2.5 meters long3. ileum – longest half coiled into the abdominal cavity
  5. 5. secretes pancreaticjuice thatneutralizes the acidin the stomach
  6. 6. Undigested food goes down into the large intestine It is where the absorption of water is happen It is also called as colon FECES – remaining food material
  7. 7. End of the alimentary canal
  8. 8. How can we take care of our digestive system?
  9. 9. Videohttp://www.youtube.com/watch?v=08VyJOEcDos