Transcript
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 the mouth
Bolus – a soft, mass of rounded ball of food that is being chewed
a flap of tissue that closes over the trachea to prevent the food from entering
Pyloric valve or sphincter – opens and closes to allow the food getting in the small intestine
Cardiac sphincter – closes and opens to allow the flow of food from the esophagus to the stomach
Digestion in the Small Intestine
3 Major Parts1. duodenum – upper 20
cm2. jejunum – 2.5 meters
long3. ileum – longest half
coiled into the abdominal cavity
secretes pancreatic juice that neutralizes the acid in the stomach
Undigested food goes down into the large intestine
It is where the absorption of water is happenIt is also called as colon
FECES – remaining food material
End of the alimentary canal
How can we take care of our digestive system?
Video
http://www.youtube.com/watch?v=08VyJOEcDos
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