Across
- 3. The skull bone that protects your brain from getting hurt.
- 4. The yellowish liquid part of blood that carries nutrients.
- 5. The flat stomach muscle under the lungs that helps u breathe.
- 8. A strong strap that conects a muscle to a bone.
- 9. The soft stuff inside bones that makes your new blood cells.
- 11. Blood vessels that carry fresh oxygen blood away from the heart.
- 13. Super small blood vessels where blood swaps oxygen into cells.
- 14. A tough strap that holds a bone to another bone at joints.
Down
- 1. Blood vessels that carry old blood back up to the heart.
- 2. The two main pipes that split off into each lung.
- 3. The waste gas that you breath out after inhaling oxygen.
- 6. Tiny air sacs inside the lungs where oxegen goes into the blood.
- 7. The big muscle organ that pumps blood all around the body.
- 10. The windpipe tube that carres air down into your lungs.
- 12. The main mineral thing that makes bones strong and hard.