Which of the acts as middle man ?

Options

A. W.B.C.
B. Plasma
C. Blood
D. Lymph.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which component acts as a "middle man" in the context of the body. This implies a component that plays a connecting or intermediary role between different systems or components.

2. **Analyzing the Options**:
- **WBCs (White Blood Cells)**: These are immune cells that help fight infections. They are not typically considered a "middle man" as they primarily function in defense rather than connection.
- **Plasma**: This is the liquid component of blood that carries cells and nutrients. While it is essential, it does not serve as a middle man between systems.
- **Blood**: Blood is a connective tissue that circulates throughout the body. It transports various substances but does not specifically act as a middle man.
- **Lymph**: This is a fluid that circulates in the lymphatic system and is involved in immune responses. It acts as a bridge between blood and the tissues, facilitating the transport of cells and nutrients.

3. **Identifying the Middle Man**: Among the options, lymph is identified as the component that acts as a middle man. It is found between blood and the nervous system, playing a crucial role in transporting cells and nutrients.

4. **Conclusion**: Therefore, the answer to the question is lymph, as it serves as a middle man in the body's systems.

**Final Answer**: Lymph acts as the middle man.

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