Across
- 3. thick layer that is hard and dense but not solid
- 5. outer layer of the skin
- 6. chemical signals released by endocrine system
- 9. skeletal muscle allows your body to react quickly
- 11. soft connective tissue
- 12. made up of bones in your body
- 13. strong connective tissue more flexable than bone
- 14. attached to bones of your skeleton
- 17. basic unit of structure in a living thing
- 21. work to control certain movements in your body
- 22. 26 small bones that make up your backbone
- 23. covers the surface of your body
- 28. group of organs that work together
- 29. release chemical signals directly into your bloodstream
- 30. lightweight but still strong
- 31. attatches the muscle to a bone
- 32. contract or shorten
- 33. signal in an environment
- 35. directs and controls the process
- 41. bones in your body
- 42. openings that allow sweat to reach the surface
Down
- 1. muscles under your conscious
- 2. directs cells activities
- 4. move from digestive system into the bloodstream
- 7. strands of hair growth within the dermis
- 8. pigment that colors the skin
- 10. provides support for body
- 15. outside border of cell
- 16. made of strong connective tissue
- 17. clear jelly like structure
- 18. responsible for digesting food
- 19. substance to get food your body needs
- 20. condition which bones break easily
- 24. Condition in an organisms internal enviroment
- 25. provide force to move your bones
- 26. tissue found only in your heart
- 27. two bones come together
- 34. group of similar cells that form a function
- 36. what your body does to a stimulus
- 37. structure made up of tissue
- 38. reaction of your body to threatening
- 39. 2 bones come together
- 40. inner layer of the skin