The tissue In platyheminthes between viscera and body wall is called

Options

A. Coelom
B. Paraenchyma
C. Mesoderm
D. Choanderm.

Answer

To answer the question regarding the tissue in Platyhelminthes (flatworms) that lies between the viscera and the body wall, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Body Structure of Platyhelminthes**:
- Platyhelminthes are triploblastic organisms, meaning they have three germ layers: ectoderm, mesoderm, and endoderm.

2. **Identifying the Body Cavity**:
- In Platyhelminthes, there is no true coelom (body cavity). Instead, they are classified as acoelomates, which means they lack a body cavity between the digestive tract and the outer body wall.

3. **Recognizing the Tissue Between Viscera and Body Wall**:
- The space between the internal organs (viscera) and the outer body wall is filled with a specialized connective tissue.

4. **Naming the Tissue**:
- This connective tissue is known as **parenchyma**. It serves to fill the space and provide structural support within the body of the flatworm.

5. **Conclusion**:
- Therefore, the correct answer to the question is that the tissue in Platyhelminthes between the viscera and the body wall is called **parenchyma**.

### Final Answer:
The tissue in Platyhelminthes between the viscera and body wall is called **parenchyma**.