Give two peculiar properties of cardiac muscle fibres

Explanation

**Step-by-Step Solution:**

1. **Identify the Location of Cardiac Muscle Fibres:**
- Cardiac muscle fibres are exclusively found in the heart. This is important to note as it distinguishes them from other types of muscle tissue.

2. **Understand the Structure of Cardiac Muscle Cells:**
- Cardiac muscle is composed of specialized cells known as cardiac muscle cells. These cells have unique structural features that enable their specific functions.

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