8. 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
Bolus – a soft, mass of rounded ball mouth
of food that is being chewed

9. a flap of tissue that closes over the
trachea to prevent the food from
entering

12. Cardiac sphincter – closes
and opens to allow the flow
of food from the esophagus
to the stomach
Pyloric valve or sphincter – opens and
closes to allow the food getting in the small
intestine

16. Digestion in the Small Intestine
3 Major Parts
1. duodenum – upper 20
cm
2. jejunum – 2.5 meters
long
3. ileum – longest half
coiled into the
abdominal cavity

19. secretes pancreatic
juice that
neutralizes the acid
in the stomach

24. 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

25. End of the alimentary canal

27. How can we take care of our digestive
system?

28. Video
http://www.youtube.com/watch?
v=08VyJOEcDos