Across
- 1. the system that produces heat
- 6. blood vessels where exchange of gases occur
- 8. organ made of cardiac muscle; pumps blood
- 9. bundle of nerves that carry messages to and from your brain to the nerves
- 12. large muscle that controls when you inhale and exhale
- 13. blood vessels that carry oxygen poor blood
- 14. type of connective tissue that connects bones to other bones
- 15. organ that carries air from the larynx to the lungs
- 20. the system that breaks down food into nutrients the body can use
- 21. the system that produces blood cells
- 22. type of muscle tissue that contracts and relaxes internal organs to move materials around your body
- 24. type of muscle tissue found in the heart to make it pump blood
- 25. a type of connective tissue that attaches muscle to bones
- 30. short, wide tube that absorbs water from waste
- 31. type of tissue that covers the surface of your body and organs
- 32. the system that transports important materials throughout the entire body
Down
- 2. the system that brings in oxygen and removes carbon dioxide
- 3. organ that stores bile
- 4. a type of connective tissue that cushions between bones
- 5. blood vessels that carry oxygen rich blood
- 7. safety valve that keeps food from entering the trachea
- 9. long narrow tube where most digestion occurs
- 10. neurons lined up end to end that transmits messages
- 11. organ that produces bile that breaks down fats
- 16. tube that connects the mouth to the stomach
- 17. you have about 206 of these in your body; some make blood cells
- 18. organ that is a muscular sac that churns food into chyme
- 19. type of muscle tissue that attached to bones to move your body
- 23. organ that is the control center; it is made up of 3 parts: cerebrum, cerebellum, and brain stem
- 26. the system that controls the body
- 27. the two tubes that branch off the trachea and lead into the lungs
- 28. the organs that contain the alveoli; you have 2
- 29. tiny air sacs where oxygen is exchanged for carbon dioxide