Across
- 2. pertaining to the kidneys
- 4. female gonad
- 5. air sacs
- 8. the collecting chamber of the heart
- 9. embryonic stage after week 8
- 13. membrane that surrounds your lungs that reduce friction
- 16. nerve cell
- 17. protein that makes up hair and nails
- 19. circulation from the heart to the lungs and back to the lungs
- 22. another name for the large intestine
- 23. cluster of capillaries with a nephron
- 25. tough connective tissue that connects muscle to bones
Down
- 1. liquid portion of the blood
- 3. tough band of cartilage that surrounds bones
- 6. organic molecules that act as coenzymes
- 7. white blood cells
- 10. male gamete
- 11. group of tissues working together for a common function
- 12. skeleton composed of cranium, vertebrae and ribcage
- 14. membrane that encased the protective fluid of the developing embryo
- 15. gland that neutralize the pH of male urethra
- 18. functional unit of a kidney
- 20. tissues which have the ability to contract
- 21. fertilized egg
- 24. nitrogenous waste produced by the liver