The system includes the mouth, esophagus, stomach, smallintestine and large intestine. Other organs of the digestive system include the salivary glands, teeth, pancreas, liver, and gall bladder.
此系统包括口、食管、胃、小肠和大肠。消化系统其它器官有唾液腺、牙齿、胰、肝和胆囊。
2
Erepsin is secreted by glands in the wall of the smallintestine.
肠肽酶是由小肠壁的腺体分泌的。
3
Erepsin is secreted by glands in the wall of the smallintestine.