The human digestive system refers to the organs that ... When a person smells or thinks of food or eating, the salivary glands begin producing saliva. Once the food is inside of the mouth: saliva ...

esophagus and salivary glands. Cut across pectoral girdle and down both sides of breast muscle, across in front of cloaca. Lift and remove muscle. Remove tissue on neck to view esophagus. Be careful ...