Across
- 1. The system that secretes different hormones into the bloodstream
- 5. When your body is too cold
- 7. When your body is in a stable state
- 10. substances that control cell activity and mood
- 13. How hot or cold your body is
- 14. Pain that has been happening for a long period of time
- 15. When your oxygen levels are too low
- 16. Pain that it is new or recent
- 17. The act of breathing
- 18. The variable in a study that is what you are testing or measuring
- 19. When the heart is relaxing
Down
- 2. The group in a study that does not have the independent variable
- 3. The variable in a study that is changed in comparison to the control group
- 4. A fast heart rate (usually over 100 beats per minute)
- 6. The system that controls things like muscles, breathing and heart rate, even when you are asleep
- 8. When the heart is contracting
- 9. Having consistently high blood pressure
- 11. when your body is too hot
- 12. Another word for heart rate