Across
- 1. / Number of kidneys in humans being
- 5. These send message to the brain
- 8. / This is al iquid waste
- 9. / They act like filters
- 10. A tube that carries the urine out of the body
- 12. excretory system / These are organs that get rid of wastes
- 13. water/ This will keep you healthy
Down
- 2. / These are produced by the body
- 3. This is like a bag that stores the urine.
- 4. These organs carry the urine to the bladder.
- 6. /These are the main organs of the Excretory System
- 7. centimeters / The average size of kidneys
- 11. It is the blood canal