Renin is produced by

Options

A. Liver
B. Spleen
C. Juxtaglomerular cells
D. Stomach.

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks where renin is produced.

2. **Understand the Options**: The options provided are:
- Liver
- Spleen
- Juxtaglomerular cells
- Stomach

3. **Analyze Each Option**:
- **Liver**: The liver is primarily involved in the production of bile and other metabolic processes, but it does not produce renin.
- **Spleen**: The spleen is part of the immune system and is not involved in the production of renin.
- **Juxtaglomerular Cells**: These are specialized cells located in the kidneys. They are responsible for producing renin, which plays a crucial role in regulating blood pressure and fluid balance.
- **Stomach**: The stomach is part of the digestive system, responsible for storing food and secreting gastric juices, but it does not produce renin.

4. **Select the Correct Answer**: Based on the analysis, the correct answer is **Juxtaglomerular cells**, as they are the only option that is directly involved in the production of renin.

5. **Conclusion**: Renin is produced by juxtaglomerular cells in the kidneys.

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