Across
- 5. takes blood away from the heart
- 6. Smallest part of life
- 10. muscle that helps breathing
- 11. a group of organs working together
- 13. filter in kidney
- 14. Where urine is kept before it leaves the body
- 15. eats bacteria/disease
Down
- 1. helps in making scabs
- 2. Where bronchi goes into the alveoli
- 3. in the top of the heart
- 4. Where air goes into the lungs
- 7. a group of tissues working together
- 8. takes blood to the heart
- 9. group of cells working together
- 12. Transports stuff through the body in the circulatory system