Question

The tube starting at mouth and ending at the anus is called

• A. oesophagus
• B. food cavity
• C. alimentary canal
• D. elementary canal

Answer 1

The correct option is C

alimentary canal

Correct option (C)

Explanation of the correct option:

1. The alimentary canal begins at the mouth or the buccal cavity and ends at the anus.
2. This includes all the organs involved in the digestion of the food such as the stomach, small intestine, liver, pancreas, and large intestine.
3. The food passes through the buccal cavity, the oesophagus, stomach, small intestine, large intestine, and finally the undigested part of the food is eliminated via the anus.

Explanation of the incorrect option:

Option (A):

1. Oesophagus is a long tube-like structure that runs from the buccal cavity to the stomach and passes the bolus formed in the buccal cavity to the stomach for further digestion.

Final answer:

The tube starting at mouth and ending at the anus is called alimentary canal.