What is clitellum?Give its function.

Explanation

### Step-by-Step Solution:

1. **Definition of Clitellum**:
The clitellum is a thickened, glandular section of the body wall in certain annelids, such as earthworms. It is typically found in the 14th to 16th segments of the earthworm's body.

2. **Hermaphroditic Nature of Earthworms**:
Earthworms are hermaphrodites, meaning they possess both male and female reproductive organs within the same individual. This allows them to produce both sperm and eggs.

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