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Across 1. A single variable regulation. 3. Measured in ˚C. 6. This is what homeostats do to variables. 7. A method to increase your body temperature. 9. A mechanical homeostat. 13. The place an organism lives. 14. Something which stays the same and doesn't change. 15. Something which changes a lot. 17. A strip of metals used in a thermostat. 19. Another word for sugar.

Down 2. The regulation of temperature in a body. 4. Another word for acidity. 5. Your body consumes this to regulate homeostasis. 8. Opposite of cold. 10. Property to keep the variables in an organism constant. 11. Another word for pH. 12. A way of cooling down your body. 16. Another word for glucose. 18. Opposite of heat.