8. Match the following terms and write the appropriate letter to the left of each number. Translate the terms into Russian.

… 1) tricuspid a) central opening of a vessel

… 2) pericardium b) pacemaker of the heart

… 3) SA node c) fibrous sac around the heart

… 4) apex d) lower pointed region of the heart

… 5) lumen e) right atrioventricular valve

… 1) pulmonic valve a) lymphoid organ in the chest

… 2) vena cava b) vessel that empties into the right atrium

… 3) thymus c) part of the heart’s conduction system

… 4) mitral valve d) valve that regulates blood flow to the lungs

… 5) Purkinje fibers e) left atrioventricular valve

… 1) atherosclerosis a) absence of a heartbeat

… 2) aneurysm b) inflammation of the heart muscle

… 3) ischemia c) localized dilatation of a blood vessel

… 4) myocarditis d) local deficiency of blood

… 5) asystole e) accumulation of fatty deposits in the lining of a blood vessel