Which part of the alimentary canal is involved in :
absorption of food?

Explanation

### Step-by-Step Solution:

1. **Understanding the Alimentary Canal**: The alimentary canal is a long tube that forms part of the digestive system, starting from the mouth and ending at the anus. It includes various organs that play different roles in digestion and absorption.

2. **Identifying the Parts of the Alimentary Canal**: The main parts of the alimentary canal include:
- Mouth
- Buccal cavity
- Esophagus (food pipe)
...