Across
- 2. Blood cell that carrys oxygen back and forth
- 6. blood filter found in kidneys
- 7. Cell fragment that help form scabs
- 11. Upper chamber of the heart
- 14. Muscular tube that connects mouth to stomach
- 15. Smallest blood vessel connecting veins and arteries
Down
- 1. Organ where most nutrient absorption takes place
- 3. Airways in the lungs that lead form the bronchi to alveloi
- 4. Lower chamber of the heart
- 5. liquid part of blood
- 8. Allows air to pass to and from lungs
- 9. A blood vessel that carries blood away from the heart
- 10. Passages direct air into the lungs
- 12. A blood vessel that carries blood back to the heart
- 13. Tiny finger shaped structures that absorb