Largest single mass of lymphatic tissue in the body is

Options

A. lung
B. liver
C. kidney
D. Spleen

Answer

To determine the largest single mass of lymphatic tissue in the body, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Lymphatic System**: The lymphatic system is a crucial part of the immune system and consists of various tissues and organs that play roles in fluid balance and immune responses.

2. **Identify the Options**: The options provided are lung, liver, kidney, and spleen. We need to evaluate which of these is part of the lymphatic system.

3. **Evaluate Each Option**:
- **Lung**: Primarily involved in gas exchange, not a lymphatic tissue.
- **Liver**: Functions in metabolism and detoxification, not primarily a lymphatic organ.
- **Kidney**: Responsible for filtering blood and producing urine, not part of the lymphatic system.
- **Spleen**: Known to be part of the lymphatic system and plays a role in filtering blood and immune response.

4. **Conclude**: Among the options, the spleen is recognized as the largest single mass of lymphatic tissue in the body. It plays a significant role in filtering blood, recycling iron from red blood cells, and contributing to the immune system.

5. **Final Answer**: The largest single mass of lymphatic tissue in the body is the **spleen**.