| Down |
| 1. | major muscle |
| 2. | waste gas removed from the body |
| 3. | main organs of the excretory system |
| 6. | skin flap that keeps food out of the trachae |
| 8. | made of tissues performing the same function |
| 9. | iron rich protein |
| 10. | groups of organs |
| 12. | system that rids the body of waste |
| 14. | provides the body with fresh oxygen |
| 15. | system that delivers oxygen rich blood to the cells and systems |
| 19. | remove antigens |
| 22. | excess water waste |
| 24. | location of blood cell manufacture |
| 25. | conducts muscle cell inpulses |
| 28. | fingers and toes |
| 30. | skeletal & nervous system partners |
| 31. | carry blood away from the heart |
| 32. | excess water removal glands |
| 34. | pipe that connects the mouth to the stomach |
| 36. | involuntary contractions of the diaphram |
| 40. | connection between pharynx and lungs |
| 43. | folded surfaces in the small intestines |
| 44. | 1st line of disease defense |
| 45. | small tubes that carry urine from the kidneys to the bladder |
| 46. | carry blood back to the heart |
| 48. | major musle of circulatory system |
| 49. | lymph nodes restore this to the circulatory system |