.......... is not secreated by stomach.

Options

A. Mucus
B. HCl
C. Digestive juices
D. Bile

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks which substance is not secreted by the stomach.

2. **List the Substances Secreted by the Stomach**:
- **Mucus**: Secreted by the stomach wall, it provides lubrication and protects the stomach lining from acid.
- **Hydrochloric Acid (HCl)**: This is an acid that helps in digestion and has antimicrobial properties.
- **Digestive Juices**: These include enzymes like pepsin that help break down food.

3. **Analyze the Options**:
- **Mucus**: Confirmed to be secreted by the stomach.
- **HCl**: Confirmed to be secreted by the stomach.
- **Digestive Juices**: Confirmed to be secreted by the stomach.
- **Bile**: This is produced by the liver and stored in the gallbladder, not secreted by the stomach.

4. **Conclusion**: Since bile is not secreted by the stomach, it is the correct answer to the question.

**Final Answer**: Bile is not secreted by the stomach.

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