Question

Length of human alimentary canal is

• A. 100 cm
• B. 3-4 m
• C. 4-6 m
• D. 6-9 m

Answer 1

The correct option is D 6-9 m

The alimentary canal is a long tube through which food is taken into the body and digested. In human beings, this passage is about 30 ft (9 m) long." The alimentary canal, or the digestive tract as it is most commonly known, is 9 meters from the oesophagus to the anus.

So, the correct option is '6-9 m'.