Across
- 2. Blood vessel which carries blood away from the heart
- 3. Controls blood flow by opening and closing
- 5. Connects arteries to capillaries
- 6. Monitors electrical activity of the heart
- 10. When a blood vessel contracts
- 13. Outer layer of heart; tethered to diaphragm
- 14. Part of heartbeat in which the heart relaxes and fills with blood
- 16. Delays SA Node’s electrical signal
- 17. Triggers Atrial Kick by an electrical signal
- 19. Inner layer of heart; lines heart valves
- 21. relates to lungs
- 24. Lower chambers of the heart
- 25. When blood vessels relax/widen
Down
- 1. Explains a response of the heart
- 3. Blood vessel which carries blood to the heart
- 4. Blood’s resistance to flow; affects blood pressure
- 7. aka Visceral Pericardium; innermost layer of pericardium
- 8. Part of heartbeat where S1 is heard
- 9. An irregular heartbeat due to injury around the chest or drug use which can be deadly
- 11. Tissue which separates the left and right sections of the heart
- 12. Connects capillaries to veins
- 15. Amount of blood which the left ventricle passes in one heartbeat
- 16. Upper chambers of the heart
- 18. Method to bring heartbeat back to normal
- 20. Large veins on the right side of the heart.
- 21. Large fibers found in endocardium which quickly conduct impulses to the ventricular myocardium
- 22. Largest artery in the human body
- 23. Middle layer of the heart which contains cardiac muscle cells