ClipArt ETC
"Diagram of circulation. r.a., Right auricle receiving superior vena cava (s.v.c.) and inferior vena cava (i.v.c.); r.v., right ventricle; p.a., pulmonary artery to lungs (L.); p.v., right pulmonary vein; l.a., left auricle; l.v., left ventricle; ao., aortic arch; d.ao., dorsal aorta giving off arteries to liver (ii.), to gut (g.), to body (B.); po.v., portal veins; h.v., hepatic vein." -Thomson, 1916

Circulation

"Diagram of circulation. r.a., Right auricle receiving superior vena cava (s.v.c.) and inferior vena…

The heart is the organ that propels the blood and causes it to circulate through the arteries, veins, and capillaries.

Heart

The heart is the organ that propels the blood and causes it to circulate through the arteries, veins,…

Three-quarters view of the left ventricle after removing front walls.

Left Ventricle

Three-quarters view of the left ventricle after removing front walls.