Name the pigment present in red muscle fibres.

Explanation

**Step-by-Step Solution:**

1. **Identify the Type of Muscle Fibers**: The question asks about the pigment present in red muscle fibers. These fibers are also known as slow twitch fibers.

2. **Understand the Characteristics of Red Muscle Fibers**: Red muscle fibers are characterized by their high oxygen content, which is essential for their function.

3. **Determine the Pigment Responsible for Oxygen Storage**: In red muscle fibers, there is a specific pigment that helps in storing oxygen. This pigment is crucial for the muscle's ability to sustain prolonged activity.

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