Name the excretory organs of annelids and and insects.

Explanation

To answer the question regarding the excretory organs of annelids and insects, we can break it down into a step-by-step solution:

### Step-by-Step Solution:

1. **Identify the Excretory Organs in Annelids**:
- The primary excretory organs in annelids (such as earthworms) are called **nephridia**.
- Nephridia play a crucial role in the excretion of waste products and also assist in osmoregulation, which helps maintain the balance of water and salts in the body.

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