Which of these is the correct path that food takes through the digestive process?
A. mouth - esophagus - stomach - duodenum - ileum - colon
B. esophagus - mouth - duodenum - stomach - ileum - colon
C. mouth - stomach - esophagus - duodenum - colon - ileum
D. colon - esophagus - duodenum - stomach - ileum - mouth