Across
- 3. Blood is released into the body from these...
- 5. These are clear in color and help destroy disease cause agents.
- 7. A thick wall of muscle that divides the heart is called the?
- 8. Blood vessels that take blood away from the heart.
- 9. a tan colored fluid; half the volume of blood.
- 11. The center of the circulatory system
Down
- 1. The right side of the heart pumps blood through a vessel called?
- 2. These five blood its red color; and are shaped like donuts.
- 4. Blood vessells that return blood to the heart.
- 6. Deliver nutrients to the cells from the arteries
- 8. Blood returning from the body is collected here.
- 10. The left side of the heart that pumps blood through a vessel is called?