Chordae tendineae are found in

Options

A. (a) ventricles of brain
B. (b) joints of legs
C. (c) ventricles of heart
D. (d) atria of heart

Explanation

**Step-by-Step Solution:**

1. **Understanding Chordae Tendineae**:
- Chordae tendineae, also known as heart strings, are fibrous cords made of connective tissue. They resemble strings and are crucial for the function of the heart.

2. **Location of Chordae Tendineae**:
- These structures are found in the heart, specifically connecting the papillary muscles to the heart valves (tricuspid and bicuspid valves).

3. **Function of Chordae Tendineae**:
- The primary role of chordae tendineae is to regulate the opening and closing of the tricuspid and bicuspid valves. This ensures that blood flows in one direction through the heart.

4. **Identifying the Correct Answer**:
- The question asks where chordae tendineae are found. Since they connect the papillary muscles located in the ventricles of the heart to the valves, the correct answer is that they are found in the ventricles of the heart.

5. **Final Answer**:
- Therefore, the correct option is **C: ventricles of heart**.

---