Across
- 4. dome-shaped muscle used for breathing
- 7. vessels that carry blood to the heart
- 12. the largest part of the brain
- 14. gland that regulates the body's metabolism
- 17. either of the upper chambers of the heart
- 18. bean shaped organs that remove liquid waste from the blood
- 19. organ containing the glands that secrete insulin and glucagon
- 20. voice box
Down
- 1. organ that mixes stores food
- 2. organ that pumps blood through vessels
- 3. "holding tank" for liquid wastes
- 5. upper arm bone
- 6. tissue found inside the center of long bones
- 8. largest lymphatic organ
- 9. structures that attach bones to muscles
- 10. tube that transports food to the stomach
- 11. part of the skull that surrounds the brain
- 13. brown pigment in the epidermis
- 14. organ that allows lymphocytes to grow and mature
- 15. tubes connecting the kidneys to the bladder
- 16. organ that produces bile