Across
- 3. an event outside the body that causes a response from the body
- 9. a reaction to a stimulus
- 11. maintaining a balance or equilibrium in the body
- 12. an event inside the body that causes a response by the body
- 14. system responsible for producing offspring
- 16. system that protects the body, regulates temperature, gets rid of waste and produces vitamin D
- 17. a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival
Down
- 1. system that gets rid of waste
- 2. system that controls and coordinates activates in the body
- 4. system more commonly called the Immune system
- 5. system that breaks down food to provide nutrients and energy
- 6. chemical compounds that transmit messages
- 7. system that brings in oxygen and gets rid of carbon dioxide
- 8. system that transports materials thorough out the body
- 10. system that sends chemical messengers throughout the body
- 12. system that fights infection and diseases
- 13. system that provides protection and support
- 15. system that is in charge of movement inside and outside of the body