Which parts of the alimentary canal prepare food for chemical digestion? A. the mouth, oesophagus and stomach. B. the mouth, stomach and small intestine. C. the mouth, stomach and duodenum. D. the teeth, stomach and pancreas.
Option C. The mouth (mastication and combining with saliva); the stomach (churning); the duodenum (segmentation). Choice C is higher than preference B as digestion has passed off earlier than meals reaches the distal components of the Small intestine.
