Circulatory System
Across
- 4. Something beginning with 'n' that the circulatory system transports
- 5. The top 2 chambers of the heart
- 7. Blood on the right side of the heart
- 8. Vessels which allow transport into and out of cells
- 12. Vessels which return blood to the heart
- 14. Phase of the cardiac cycle, atria contracts and forces blood into ventricles
- 17. A factor which effects heart rate
- 18. Something beginning with 'o' that the circulatory system transports
- 19. The largest artery in the human body
- 20. Blood flows through here to get to the lungs from the right ventricle
- 22. Phase of the cardiac cycle, heart is relaxed and the atria fill with blood
- 24. These blood cells transport O2 and CO2 around the body
- 25. A factor which effects heart rate
Down
- 1. Arteries, capillaries and veins
- 2. Blood on the left side of the heart
- 3. Blood vessels with thick walls
- 6. Phase of the cardiac cycle, ventricles contract and blood ejected from ventricles
- 9. These blood cells help fight infections and disease
- 10. Contain valves to keep blood flowing in one direction
- 11. Word for the maintenance of correct body temperature
- 12. The bottom 2 chambers of the heart
- 13. Blood flows through here from the lungs to the left atrium
- 15. Strongest side of the heart
- 16. Pumps blood
- 20. Helps with the clotting of blood
- 21. Vessels which carry blood away from the heart
- 23. The liquid part of blood