Which is longest part of alimentary canal?

Alimentary canal:

1. The alimentary canal is referring to the pathway through which food enters the body and goes outside through the anus post digestion.
2. Its structure looks like a tube that begins in the mouth and ends in the anus.
3. The alimentary canal plays an important role in human digestion and is also known as the digestive tract.
4. Small intestine is the longest part of the alimentary canal.
5. It is narrower than the large intestine, but forms the longest section of your digestive tube,
6. The length is about 6.7 meters which is 3.5 times the length of the human body.
7. Absorption of food occurs in the small intestine.