Across
- 1. excretory organs where Carbon Dioxide is excreted.
- 3. a bile pigment derived by the decomposition of the haemoglobin in red blood cells(erythrocytes).
- 5. a narrow tube coming out of the kidney.
- 7. the process that causes transportation of the urine.
- 9. organ concerned with the purification of blood.
- 12. the production and excretion of urine.
- 13. the excretion of faeces
- 15. the release of useful products into the body.
- 16. Haemoglobin->Bilirubin->?
Down
- 2. Brain:Neurons::Kidney:?
- 4. the harmful pile-up of toxic substances in the blood.
- 5. a short muscular tube the removes the urine from the urinary bladder.
- 6. the removal of harmful and waste products derived from the organism's own metabolism.
- 8. this muscle's relaxation causes the expulsion of urine.
- 10. the waste product obtained by the purification of blood.
- 11. the waste product obtained as a result of digestion.
- 14. the end products of metabolism removed from the body.
- 15. an excretory product containing excess salts and regulating body temperature.