Name the excretory organs of crustaceans (e.g.prawn) and insect (e.g.cockroach).

Explanation

To answer the question regarding the excretory organs of crustaceans and insects, we can break it down into the following steps:

### Step 1: Identify the Excretory Organs of Crustaceans
- Crustaceans, such as prawns, have specialized excretory organs known as **antennary glands**.
- These glands function similarly to kidneys in higher animals, helping to filter and excrete waste materials from the body.

### Step 2: Explain the Function of Antennary Glands
- Antennary glands produce waste materials and are often referred to as **green glands**.
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