Haversian system are found in the

Options

A. Pigeon
B. Panther
C. Pipe fish
D. Python

Explanation

**Step-by-Step Solution:**

1. **Understanding Haversian System**: The Haversian system, also known as the Osteon, is a structural unit of compact bone. It consists of a central canal surrounded by concentric rings of bone matrix and is crucial for the strength and function of bones in mammals.

2. **Identifying the Context**: The question specifically asks where the Haversian system is found. It is important to note that this system is characteristic of compact bone, which is a type of bone tissue.

3. **Analyzing the Options**: The options provided are:
- A) Pigeon
- B) Panther
- C) Piss (likely a typo or irrelevant option)
- D) Python

4. **Determining the Correct Answer**:
- Pigeons are birds and do not have a Haversian system; they have a different type of bone structure.
- Pythons are reptiles and also do not possess a Haversian system.
- The Panther (which can refer to big cats like leopards or jaguars) is a mammal and possesses a Haversian system in its compact bone structure.

5. **Final Conclusion**: Based on the analysis, the correct answer is **B) Panther**, as it is a mammal that possesses the Haversian system in its bones.