Across
- 2. A type of circulation that carries deoxygenated blood from the intestines and spleen to the liver.
- 4. The circulation of blood from the heart to all parts of the body except the lungs.
- 6. The period during the cardiac cycle when the ventricles relax and fill with blood.
- 7. The muscular tissue of the heart.
- 9. A condition in which the blood has an abnormally high concentration of lipids, such as cholesterol.
- 12. A type of arrhythmia originating from the atria, causing a rapid, chaotic heart rhythm.
- 13. A vessel that carries blood from a capillary bed to a larger vein.
- 14. The name for the small, specialized blood vessels that supply the walls of larger arteries and veins with blood.
- 15. A serious medical condition caused by a sudden blockage in a coronary artery.
- 16. A specific area of the right atrium that serves as the heart's primary pacemaker.
- 17. A congenital heart defect where the ductus arteriosus fails to close after birth.
Down
- 1. The force exerted by blood on the arterial walls during the contraction phase of the cardiac cycle.
- 3. A condition characterized by a consistently low heart rate.
- 5. The smallest branch of an artery, leading into a capillary.
- 7. The largest type of white blood cell, which can differentiate into a macrophage.
- 8. The amount of blood pumped by the heart per minute.
- 9. The specific bundle of cardiac fibers that transmits electrical impulses from the atrioventricular node to the ventricles.
- 10. The term for the division of the heart that separates the atria.
- 11. A specialized cell that is a precursor to a red blood cell.
- 18. The name for the tiny, hair-like projections that line blood vessels and help regulate blood flow.
