Bio vocab Crossword

8. When the body constricts blood vessels which increases blood pressure
10. Parts of the body that are more further away from organs
12. Relating to the environment around you
13. One way the body gets rid of unwanted bacteria or to cool someone down
16. An organism's ability to evolve and thrive to different environments of circumstances
17. Something that traps warm air inside of something to keep cold and warm air from mixing
19. A chemical that allows nerves and neurons to talk to each other
20. One way for the body to warm itself up using this uncontrollable movement
21. Carrier of different chemicals throughout the nervous system

1. The ability for an object to not absorb water
2. A disturbance or issue in which things interact with each other
3. A long sleep that lots of mammals, amphibians, and insects do to save energy throughout the winter
4. Constant internal, physical, and chemical conditions throughout an organism
5. Gas exchange in an organism
6. When an organism gets too cold that the body shuts down
7. The ability for the body to decrease blood pressure
9. An organism's response to a signal detected throughout the body
11. A whitish Fiber that detects and transmits different impulses
14. Regulation of body temperature
15. The ability to keep a constant internal environment
18. Response to stimuli