Across
- 3. The body system that moves blood throughout the body
- 4. There are two ways cells communicate: electrical messages and ____________ messages
- 7. The body system that brings in oxygen and releases carbon dioxide
- 8. The maintenance of a constant internal environment so cells can do their job
- 10. The body system that produces chemical messages (hormones)
- 12. The body system that collects and sends information through electrical messages
- 14. what body systems are also known as
- 16. The body system that gets rid of waste
Down
- 1. What the cardiovascular system is also known as
- 2. The body system that breaks down food into nutrients and energy for the body
- 5. The body system that allows the body to move
- 6. The body system that protects and maintains the body (includes skin)
- 9. The body system that provides support and protection
- 11. What the lymphatic system is also known as
- 13. The system that fights against pathogens to keep the body healthy
- 15. The number of organ systems in the body