Across
- 2. A waste substance that is excreted by the kidneys, dissolved in water
- 3. A liquid containing urea dissolved in water
- 8. The process of eliminating food waste that is not absorbed
Down
- 1. A tube that carries urine from the bladder to the outside of the body
- 4. The removal of waste substances produced in the body cells
- 5. An organ that filters the blood and removes urea from it
- 6. A tube that carries urine from the kidney to the bladder
- 7. A word that means ‘to do with the kidneys’