Human Body Systems Guide

Help me understand this body system:

System: ${{SYSTEM}}
Level: ${{LEVEL}}
Specific Questions: ${{QUESTIONS}}
Assignment Focus: ${{FOCUS}}

Cover:
1. System overview and function
2. Major organs and structures
3. How it works step by step
4. Connections to other systems
5. Homeostasis role
6. Common diseases/disorders
7. How to keep it healthy
8. Development changes
9. Diagram explanation
10. Key vocabulary
11. Study questions
12. Analogies and memory aids
13. Interesting facts
14. Career connections