Across
- 4. Have one cell thin walls
- 6. Blood moves at high pressure
- 7. The right side pumps blood to the ______
- 10. Can be found whenever an artery passes over a bone
- 11. ______pumps blood through body
- 12. Molecules move in and out
- 13. Number of red blood cells
- 14. Have thin wall
Down
- 1. Wasted product of livers
- 2. ________- blood cells helps to fight microorganism that causes infection disease
- 3. A protein called __________ that gives the red color
- 5. Prevents Backflow
- 8. Provide larger surface area to take in oxygen
- 9. ______ forms a clot to stop bleeding
- 10. Yellowish liquid component of blood