The Circulatory System
Across
- 3. The movement of blood between the heart and the lungs.
- 5. A small, finger-like organ located at the junction of the small and large intestines.
- 6. Small branches of arteries that lead to capillaries.
- 8. A sudden disruption of blood flow to the brain.
- 11. The protein in red blood cells that binds to oxygen and carries it to the tissues.
- 12. The number of times the heart beats per minute.
- 13. Blood vessels that carry oxygenated blood from the lungs to the heart.
- 14. The system that helps your body fight off infections and diseases; it includes nodes and vessels.
- 16. Tiny cell fragments that help in blood clotting.
- 17. An organ that filters and stores blood, removing damaged blood cells.
- 18. The liquid part of the blood that carries nutrients, hormones, and waste products.
- 19. Blood vessels that carry deoxygenated blood from the heart to the lungs.
- 21. Tiny blood vessels where the exchange of oxygen and nutrients occurs.
- 22. The body's ability to maintain stable internal conditions despite external changes.
Down
- 1. Blood cells that help the body fight off infections and diseases.
- 2. Blood vessels that carry blood away from the heart.
- 4. One of the two upper chambers of the heart.
- 7. The body's transportation system that includes the heart and blood vessels.
- 9. Blood cells responsible for carrying oxygen to all parts of the body.
- 10. The force of blood against the walls of the arteries.
- 15. Heart valves that prevent blood from flowing back into the heart.
- 20. Blood vessels that carry blood back to the heart.