Excretion
Across
- 2. removal of carbon dioxide
- 5. funnel shaped structure
- 8. renal tubules
- 10. cup like
- 12. muscular bag
- 13. nitogenous waste
- 14. from sweat glands
- 17. excess of sugar in urine
- 18. expulsion of urine
- 19. inner lighter region
Down
- 1. bean shaped
- 3. narrow tube from kidney
- 4. formed in liver
- 6. regulation of water and salt
- 7. crystals of calcium oxalate and calcium phosphate
- 9. outer darker region
- 11. a machine to filter blood.
- 15. removal of unwanted waste
- 16. opens outside