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Exercise. 



THE DIGESTIVE SYSTEM. 



these are too frequently eaten, the stomach's action 

 will be greatly impaired. If eaten at all, they 

 should be sparingly mixed with more digestible 

 food. 



Gentle exercise is very helpful to diges- 

 tion. But violent exercise, either just 

 before or after a meal, is quite as injurious. A 

 cheerful state of mind is very helpful in keeping up 

 a healthy action of all the digestive organs. 



OUTLINE. 



THE DIGESTIVE ORGANS. 



Teeth 32 in full set. 



Salivary Glands three pairs. 

 ; Muscles of Pharynx and (Esophagus. 

 -j Stomach. 



Liver. 



Pancreas. 

 L Intestines. 



Teeth in sockets of jaw-bones. 



Salivary Glands located about the mouth. 



Pharynx and oesophagus funnel and tube 

 between mouth and stomach. 



stomach under diaphragm in abdomen. 



Liver overlying the stomach. 



Pancreas lying back of the stomach. 

 ^ Intestines filling lower abdomen. 



Teeth- to masticate the food. 



Salivary Glands to furnish saliva. 



Muscles of pharynx and oesophagus move the food 

 from mouth to stomach. 



Stomach to change food to chyme. 



Liver to furnish bile. 



Pancreas to furnish pancreatic juice. 



Intestines to complete the work of digestion and 

 separate the chyle from the waste matter, 



WHAT? 



WHEBE? 



WHY ? 



