Across
- 1. system, the body system responsible for circulating blood through the heart and vessels.
- 4. system, the system consisting of skin, hair, and nails.
- 5. an organ involved in digestion and blood glucose regulation.
- 7. system, the system involved in producing offspring.
- 8. gland, an endocrine gland that regulates metabolism.
- 11. the functional unit of the kidney.
- 12. the large air passages leading to the lungs.
- 16. system, the system responsible for breaking down and absorbing nutrients.
- 17. the thigh bone and longest bone in the body.
- 19. system, the system that removes waste products through urine.
- 21. the muscle that assists with breathing.
- 23. the windpipe that carries air to the lungs.
- 24. the muscular layer of the heart.
- 25. the largest part of the brain responsible for thought and memory.
Down
- 2. tiny air sacs in the lungs where gas exchange occurs.
- 3. system, the body system responsible for breathing and gas exchange.
- 6. system, the system that produces hormones to regulate body functions.
- 9. a liver cell.
- 10. the lower chamber of the heart.
- 13. the kneecap.
- 14. the tube that carries food from the mouth to the stomach.
- 15. the upper chamber of the heart.
- 18. system, the system that supports immunity and fluid balance.
- 20. system, the system that controls and coordinates body functions through electrical signals.
- 22. system, the system that provides movement and structural support.
