Across
- 6. Pumps Blood
- 8. part of the body's immune system
- 10. carry oxygen-poor blood to your heart
- 12. movement in a circle
- 13. prevents blood clots
- 15. Are delicate blood vessels that exist throughout your body
Down
- 1. that you breathe out
- 2. muscular chamber that pumps blood out of the heart and into the circulatory system
- 3. Carry oxygen around the body
- 4. A body fluid
- 5. the liquid portion of blood
- 7. blood cells made in bone marrow
- 9. the largest artery of the body and carries blood from the heart to the circulatory system
- 11. transport oxygenated blood from the lung alveoli into the left atria
- 14. What you breathe in