front 1 Pulmonary Circuit | back 1 Carries blood to and from the gas exchange surfaces of the lung |
front 2 Systemic Circuit | back 2 transports blood to and from the rest of the body |
front 3 arteries | back 3 carry blood away from the heart |
front 4 veins | back 4 carry blood towards the heart |
front 5 capillaries | back 5 (exchange vessels) interconnect the smallest arteries and veins |
front 6 right atrium | back 6 receives blood from the systemic circuit |
front 7 right ventricle | back 7 receive blood through the right atrium and send blood to the lungs |
front 8 left atrium | back 8 receive blood from the pulmonary veins |
front 9 left ventricle | back 9 sends blood to the systemic circuit |
front 10 apex | back 10 inferior pointed tip |
front 11 mediastinum | back 11 the region between the two pleural cavities. |
front 12 cardiac muscle cells | back 12 interconnected by intercalated discs |
front 13 intercalated discs | back 13 the interlocked membranes of adjacent cells are held together by desmosomes and linked by gap junctions. |
front 14 foramen ovale | back 14 fossa ovalis |
front 15 pectinate muscles | back 15 auricle contain prominent muscular ridges |
front 16 regurgitation | back 16 if the chordae tendineae were cut or the papillary muscles were damaged, backflow |
front 17 aortic sinuses | back 17 prevent the individual cusps from sticking to the wall of the aorta when the valve opens. |
front 18 valvular heart disease (VHD) | back 18 if valve function deteriorates to the point that the heart cannot maintain adequate circulatory flow. |