THE INTAKE OF MATERIALS AND ENERGY 



67 



mou 



salivary glands 



liver 



entrance of 

 common bile duct 



ascending part of 

 large intestine 



vermiform 

 appendix 



esophagus 



stomach 



transverse part 

 of large intestine 



descending part of 

 arge intestine 



small intestine 



rectum 



Fig. 4.2. The digestive system. 



