Differentiate between Nephridia and malphighian tubuies

Explanation

### Step-by-Step Text Solution:

1. **Definition**:
- **Nephridia**: Nephridia are excretory organs found primarily in earthworms. They play a crucial role in the excretion of waste products and osmoregulation.
- **Malpighian Tubules**: Malpighian tubules are excretory structures found in insects, such as cockroaches. They are involved in the removal of nitrogenous waste and help maintain osmotic balance.

2. **Location**:
- **Nephridia**: These organs are located throughout the body of the earthworm, specifically starting from the third segment and extending to the last segment. They are present in various forms, including septal, integumentary, and pharyngeal nephridia.
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