Across
- 3. when you sleep you-
- 4. a muscular tube connecting the throat with the stomach
- 8. a long, tube-like band of tissue
- 10. a thin layer that colors your body
- 11. the tendency toward a relatively stable equilibrium between interdependent elements
- 13. on your head and, you style it
- 14. everyone goes to the doctor to get it checked
Down
- 1. the involuntary constriction and relaxation contract To shorten; to become reduced in size
- 2. it happens when you get startled
- 5. your body's chemical messengers
- 6. an organ in the human or animal body which secretes particular chemical substances for use in the body
- 7. how you think
- 9. a part of your hand
- 12. any self-regulating process