Across
- 2. blood cell cell that carries oxygen.
- 3. carries blood with no oxygen from the body to the heart
- 5. the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body
- 7. Microscopic, one cell thick, vessels that connect veins and arteries.
- 8. what we use to breath
- 12. these cells fight diseases.
- 13. upper chambers of the heart
- 14. Waves of changing blood pressure, tells you how quickly your heart is beating
Down
- 1. lower chambers of the heart
- 3. veins contain these to prevent backflow of blood.
- 4. transport oxygenated blood to the heart
- 6. The force that blood exerts on the artery walls.
- 9. they are found at the top of the heart.
- 10. the red liquid that circulates in the arteries and veins of humans and other vertebrate animals carrying oxygen to and carbon dioxide from the tissues of the body
- 11. what's the organ that pumps blood through the body