Concept:The alimentary canal is the continuous tube from the mouth to the anus that digests food.
Explanation:The alimentary canal includes the mouth, oesophagus, stomach, small intestine, and large intestine.
These organs form the passage through which food moves and is processed.
The liver is an accessory organ, not part of the tube itself.
It produces bile that helps digest fats, but bile travels to the intestine through ducts.
Since the liver lies outside the digestive tube, it does not belong to the alimentary canal.
Answer:C. Liver