Across
- 3. What are the connective tissue cords called that prevent the atrioventricular valves form everting during ventricular systole?
- 6. Heart rate multiplied by stroke volume determines the _____.
- 8. Ventricular contractility is altered through the activity of which cardiovascular centre in the medulla oblongata?
- 10. Name the groove that circles the heart between the atria and the ventricles.
- 13. The second heart sound, dub, is generated by the closing of the _____ valves.
- 15. Name the volume of blood ejected form ne ventricle in one beat.
- 18. Identify the valve located at the outlet of the left ventricle.
Down
- 1. Blood returns to the right atrium form the coronary circulation via the _____.
- 2. Name the body cavity that contains the heart.
- 4. Which part of the intrinsic conduction system depolarises the ventricular myocardium?
- 5. The EDV is the volume of blood in the ventricles at the end of ventricular _____.
- 7. If the pacemaker of the heart fails, which part of the conduction system takes over?
- 9. Which heart chambers are filled during phase 1 of the cardiac cycle?
- 11. Name the vein that drains deoxygenated blood from the anterior ventricles.
- 12. Blood exits the right ventricle via which blood vessel?
- 14. The volume of blood remaining in the ventricles at the end of ventricular systole (abbreviation).
- 16. The membrane that lines the heart and covers the valves is called the _____.
- 17. Identify an alternative name for the bicuspid valve.
- 19. The tricuspid valve is found between the atrium and the ventricle on the _____ side of the heart.
- 20. Reduced parasympathetic stimulation of the heart will _____ heart rate.
