A slow-twitch fibre is specialized for .......... cellular respiration, whereas that of a fast-twitch fibre for ........... cellular respiration.

Explanation

**Step-by-Step Solution:**

1. **Understanding Slow-Twitch Fibers:**
- Slow-twitch fibers, also known as Type I fibers, are specialized for endurance activities. They are designed to sustain prolonged efforts and are resistant to fatigue.
- These fibers contain a higher number of mitochondria and myoglobin, which are essential for energy production.

2. **Understanding Fast-Twitch Fibers:**
- Fast-twitch fibers, also known as Type II fibers, are specialized for quick bursts of power and agility. They are used in activities that require short, intense efforts.
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