Across
- 3. help blood clot at the site of a wound.
- 6. pressure is the pressure read when the heart relaxes to refill with blood.(2nd Number)
- 8. force of blood pushing against the walls of the blood vessels.
- 9. pressure is the pressure read when the heart contracts and pumps blood into the arteries (1st Number)
- 10. group of organs and tissues that act as transfer stations carrying needed materials to cells and removing their waste products
- 12. The three types of blood cells are suspended in
Down
- 1. blood cells fight infection in the body.
- 2. tiny blood vessels that carry blood to and from almost all body cells and connect arteries and veins.
- 4. blood vessels that carry blood from all parts of the body back to the heart.
- 5. circulation takes place when blood travels from the heart, through the lungs, and back to the heart.
- 7. blood vessels that carry blood away from the heart to various parts of the body.
- 9. circulation takes place when oxygen-rich blood travels to all body tissues except the lungs.
- 11. blood cells, which look like little disks, carry oxygen from the lungs to all parts of the body.