Across
- 1. Since frogs don't have oil glands, they produce this to keep their skin moist
- 5. This term means head region or above
- 6. Cold blooded vertebrate that breathes through gills when young and lives on land as an adult, breathing through lungs
- 8. Insulates and traps heat to keep humans a constant temperature
- 9. Term used to describe a living thing with no skin pigment
- 10. Produced by the skin to keep the hair and skin moist
- 12. Frogs start their lives out in this stage
- 13. These form when bacteria eat the oil on the face, clog the pore, and white blood cells attack the bacteria.
Down
- 2. Used to cool the body when released onto the skin
- 3. Living layer of skin that has blood vessels
- 4. Backbone side of an organism
- 7. Changes made in an organism as it develops from young to adult
- 11. Pigment produced by the skin to protect against the sun's UV rays
