Sure, here are the answers to your questions about the lymphatic system and immunity:
### 1. Structure and Function of the Lymphatic System
The lymphatic system is a complex network of vessels, lymph nodes, and organs that is crucial for immune function and fluid balance. It is composed of:
- **Lymphatic vessels**: These are similar to veins and transport lymph throughout the body.
- **Lymph nodes**: Small, bean-shaped structures that filter


