Across
- 4. tells the body what to do.
- 5. connects your spine with your leg.
- 7. food passes through this.
- 10. often called the collarbone.
- 13. connects bone to bone.
- 15. you breath out of the _______.
- 16. this protects your heart and lungs.
- 18. pumps blood back to heart.
- 19. _____ are made of connective tissue reinforced with calcium.
- 20. it has a substance called bile in it that digests fat.
Down
- 1. this filters your blood to get poisonous substances out of it.
- 2. it pumps your blood.
- 3. pumps your blood out of the heart.
- 6. this breaks down food.
- 8. parts of the body that bend.
- 9. this removes waste and extra fluid from blood.
- 11. these are very small blood vessels.
- 12. connects muscle to bone.
- 14. often called the windpipe.
- 17. the bone by the head/face.