Valves of Kerckring occurs in

Options

A. Between right auricle and right ventricel
B. Left aurice and left ventricle
C. Stomach and duodenum
D. Intestine

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the "valves of Kerckring" are located.

2. **Identifying the Structure**: The valves of Kerckring, also known as circular folds, are structures found in the small intestine.

3. **Locating the Small Intestine**: The small intestine consists of three parts: the duodenum, jejunum, and ileum.

4. **Distribution of Valves**: The valves of Kerckring are more numerous in the jejunum compared to the duodenum. They are present but less frequent in the duodenum.

5. **Function of the Valves**: The primary function of the valves of Kerckring is to increase the surface area for absorption of digested food in the small intestine.

6. **Conclusion**: Therefore, the correct answer to the question is that the valves of Kerckring occur in the small intestine, specifically more in the jejunum.

**Final Answer**: The valves of Kerckring occur in the small intestine.

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