Mention the location of setae in earthworm.

Explanation

**Step-by-Step Solution:**

1. **Understanding Earthworm Anatomy**: Earthworms are segmented animals belonging to the phylum Annelida. Their body is divided into multiple segments, which play a crucial role in their movement and locomotion.

2. **Identifying Setae**: Setae are small, bristle-like structures found on the body of earthworms. They are essential for locomotion, providing grip to the earthworm as it moves through soil and other substrates.

3. **Location of Setae**:
- Setae are located in specialized structures known as setal sacs.
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