Alimentary canal is also called as gastrointestinal tract. It begins with mouth and serves in ingestion, digestion, absorption of food and elimination of undigested food out of the body. Various structures of alimentary canal include mouth, pharynx
, esophagus
, stomach, small intestine and large intestine. Hence, among the given options, nose is not the part of alimentary canal while rest all structures are part of it.
