Blood glands are present in 

Options

A. 26,27
B. 27,28
C. 7,8,9
D. 4,5,6

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about blood glands, which are specific to certain organisms. In this case, we are focusing on the earthworm.

2. **Scientific Name**: The scientific name for the earthworm is *Lumbricus terrestris* (though the transcript mentions *Ferritima*, which might be a typo). This organism is known for its role in soil health.

3. **Habitat and Role**: Earthworms live in soil and feed on dead and decaying organic matter. They contribute to soil fertility through a process called vermicomposting.

4. **Body Structure**: Earthworms exhibit metameric segmentation, meaning their bodies are divided into segments. Each segment contains specific organs and structures.

5. **Location of Blood Glands**: The blood glands in earthworms are responsible for producing red blood cells (RBCs) and plasma. According to the transcript, these glands are located in the fourth, fifth, and sixth segments of the earthworm's body.

6. **Correct Answer**: Therefore, the correct answer to the question "Blood glands are present in" is segments four, five, and six of the earthworm.

**Final Answer**: Blood glands are present in segments 4, 5, and 6 of the earthworm.

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