Across
- 4. Valve found between the right atrium and right ventricle
- 5. Upper chamber of the heart
- 8. Blowing or whooshing sound heard in a heartbeat
- 9. The largest main artery that carries blood away from the heart
- 11. Small vein that collects from capillaries
- 12. Membrane that encloses the heart
- 13. Cardiac tissue wall that separates left and right ventricles
- 14. Phase of the heartbeat where the heart muscle contracts and pumps blood
- 15. Phase of heartbeat where the muscle relaxes
Down
- 1. Oxygen-poor blood enters the heart via two large veins called
- 2. Major blood vessels located on each side of the neck
- 3. Instrument used to measure blood pressure
- 6. Characteristic rhythm of a healthy heart
- 7. Controls the heart's electrical transmission from the atria to the ventricles
- 9. Conical shaped location at the tip of the heart
- 10. Wall of tissue separating a cavity of the heart