Across
- 2. Contains oxygen
- 4. Two upper chambers of the heart
- 9. Microscopic vessels that connect veins and arteries
- 11. Blood vessels that carry blood away from the heart
- 12. White blood cells- Help the body fight infection and disease
- 13. Contains little or no oxygen
- 17. A cell fragment that aids in clotting blood
- 18. Blood vessels that carry blood toward the heart
Down
- 1. A flap of tissue in the heart or vein that prevents blood from flowing backwards
- 3. Clogging, narrowing, and hardening of the bodies largest arteries and blood vessels
- 5. Largest blood vessel, Artery, in the body
- 6. Lower chambers of the heart
- 7. Organ that pumps blood throughout the body
- 8. Thick wall of tissue that separates the heart into the left and right side
- 10. Fluid lost by the blood into the surrounding tissue
- 14. Red Blood Cells, carry oxygen from the lungs to the body cells
- 15. Deposit of fatty material on the inner linning of an arterial wall
- 16. Waves of changing blood pressure that tells you how fast your heart is beating