Across
- 4. ______ blood cells helps fight diseases
- 9. the muscle that pumps blood to our body
- 10. carries blood away from heart
- 11. ______ blood cells are what makes our blood red
- 12. the body’s way of keeping of everything balanced
- 14. stop bleeding and clots blood
- 16. the cells that carry’s nutrients and oxygen to our body
- 18. the building blocks to keep our cells alive
- 19. a mixture of water salt and urea
- 20. excretes urea and excess heat through sweating
Down
- 1. filters nutrients and toxins
- 2. carry’s blood to heart
- 3. a tube that transports urine from the kidneys to the bladder
- 5. a sac that stores urine
- 6. a tube that carries urine outside our body
- 7. connects arteries and veins
- 8. the gas that keeps cells alive
- 13. filters out toxins to go in the bladder
- 15. excretes waste through our respiratory system
- 17. a chemical that comes from broken down proteins