Question

What is the length of human alimentary canal ?

Answer 1

about 30 feet(9 metres) long

Answer 2

Answer:

about 30 feet

The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long. Digestion begins in the mouth, well before food reaches the stomach.