Across
- 1. Measures the electrical activity of the heart
- 5. Important for blood clotting
- 7. Number of chambers in the heart
- 8. Oxygen is carried to the heart from here
- 9. Fluid part of blood
- 11. Supply blood to the heart
- 14. Carry deoxygenated blood to the heart
- 15. The name of the circuit that carries oxygenated blood from the heart to the rest of the body
Down
- 2. Blood vessels so thin that only one red blood cell can pass at a time
- 3. Name of the circuit that pumps blood to the lungs
- 4. Deoxygenated blood is represented by this colour
- 6. The protein in red blood cells that binds oxygen
- 10. Carry oxygenated blood to the rest of the body
- 12. Type of tissue that regulates your heart beat
- 13. The valve that carries blood to the body
