The cardiovascular system Blood circulation Systemic circulation left ventricle→→ aorta and its branches→ capillaries of body-superior and inferior vena cava right atrium Pulmonary circulation right ventricle-pulmonary a→ capillaries of lung→ pulmonary V. - left atriumThe cardiovascular system Blood circulation ◼ Systemic circulation left ventricle→aorta and its branches→capillaries of body→superior and inferior vena cava→right atrium ◼ Pulmonary circulation right ventricle→pulmonary a.→capillaries of lung → pulmonary v. →left atrium