Across
- 2. tiny living things, like bacteria, viruses, and fungi
- 4. merkel cells and nerve cells are responsible for your sense of:
- 9. the process of regulating body temperature
- 11. _____ cells are pressure sensitive cells that combine with nerve endings to create a receptor for touch
- 12. blood vessels ______ to release heat if it's too warm
- 13. sweat glands secrete sweat onto the surface of the skin to transfer ____ out of the body if it's too warm
- 14. cells that create melanin
- 15. heat, cold, and pain are all examples of:
- 16. __________ cells detect invaders and communicate their presence to T-cells
Down
- 1. blood vessels ______ to retain heat if it's cold
- 3. flexible material that helps skin absorb pressure and shock
- 5. can shield the head from physical damage and sunburn
- 6. the foundation of the integumentary system
- 7. when you touch something, your _____ send a signal to the brain
- 8. this body system includes skin, hair, nails, and specialized glands and nerves
- 10. gives skin its color and provides protection from UV rays
