Across
- 2. system that sends blood to kidneys for cleaning
- 4. cleans blood stream and sends urine to bladder
- 5. system that includes kidneys, bladder, ureters
- 6. system that signals the brain when bladder is full
- 8. sends urine from bladder to outside of body
Down
- 1. organ that houses urine
- 3. system that sends some waste (CO2) into blood
- 7. narrow tube that connects kidney to bladder