ABSORPTION DIGESTION COMPLETED. 



I8 7 



In some animals this is large and has considerable length, 

 but in man it is very short. It seems to have been longer 

 in man's ancestors, for there is a closed prolongation of 

 the cecum, the vermiform appendix. This appendix is 

 frequently the seat of serious or fatal inflammation, called 

 appendicitis. 



Fig. 70. Outline of Digestion. 



The Colon. The small intestine joins the large near 

 the lower right side of the abdomen. The main part of 

 the large intestine is called the colon. It runs upward 

 (ascending colon), crosses over to the left side (transverse 



