Hydrochloric acid is found in our stomach. What purpose does it serve in alimentary canal ?

Explanation

### Step-by-Step Solution:

1. **Understanding Hydrochloric Acid (HCl) in the Stomach:**
- Hydrochloric acid is a strong acid that is secreted by the cells in the lining of the stomach. It plays a crucial role in the digestive process.

2. **pH Level Creation:**
- HCl creates an acidic environment in the stomach with a pH of around 2.0. This low pH is important for digestion and helps maintain the overall health of the digestive system.

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