Across
- 3. abnormally high blood pressure
- 5. bacteria, viruses, and other microscopic particles that can make you sick
- 6. pressure- force that blood exerts on the walls of the arteries
- 9. system- a collection of of organs that transport blood throughout the body
- 11. fluid that carries gases, nutrients, and wastes through the body.
- 12. located between the the atria and ventricles, where large arteries are attached to heart
- 14. lower chambers of the heart
- 16. a vessel that carries blood to the heart
- 17. pressure- pressure inside large arteries when ventricles contract
- 20. vessels- hollow tubes that carry blood
- 21. circulation- flow of blood from heart to all parts of body and back to heart
Down
- 1. organ made of cardiac muscle tissue
- 2. upper chamber of the heart
- 4. oxygen-carrying protein
- 7. circulation- flow of blood from heart to lungs and back through the things above
- 8. when blood vessel in brain becomes enlarged or ruptured
- 10. surface chemical
- 13. a blood vessel that carries blood away from the heart to the body's organs
- 15. a tiny blood vessel that allows an exchange between blood and cells in other tissue
- 18. injection of blood or blood components into a person to replace lost blood
- 19. of plasma, red blood cells, platelets, and white blood cells.