Across
- 2. Responsible for breathing and exhales CO2
- 5. Largest organ, protects body from outside world
- 6. Body system that gets rid of waster
- 8. Breathed in by lungs
- 9. Excreted by your body
- 10. Created by the kidneys, also known as pee
- 11. Breathed out by lungs and part of sweat
- 12. Filtered out of your body
Down
- 1. You need to have the same ________ as a donor to get a transplant
- 3. Organ that filters the blood
- 4. Holds urine before it is excreted
- 5. Excreted by the skin, has salt and toxins
- 7. Needed when your organs no longer work, such as a kidney
- 8. How many kidneys can you survive with