Hondros Bio 117 Final Exam 2023-2024 allows blood to flow directly from the right atrium into the left atrium to bypass pulmonary circulation - ANSWER foramen ovale carries blood from the umbilical vein to inferior vena cava; allows some blood to bypass the liver - ANSWER ductus venosus atrial contraction; systole; p wave - ANSWER atrial depolarization max volume of air that can be exhaled following maximal inhalation - ANSWER vital capacity allows blood in pulmonary artery to flow directly into the descending aorta to bypass the pulmonary circulation - ANSWER ductus arteriosus ventricular relaxtion; diastole; t wave - ANSWER ventricular repolarization most important stimulus for the release of aldosterone - ANSWER renin volume of air in lungs following maximal inhalation - ANSWER total lung capacity provides oxygenated blood to brain - ANSWER circle of willis aorta; left pulmonary veins; left atrium; left ventricle; bicuspid - ANSWER structures that carry oxygenated blood (left heart) pulmonary arteries; vena cava; right atrium; right ventricle; tricuspid - ANSWER structures that carry unoxygenated blood (right heart) transport unoxygenated blood from the fetus to the placenta - ANSWER umbilical arteries transports oxygenated blood from the placenta to the fetus - ANSWER umbilical vein volume of air that remains in lung after forceful exhalation - ANSWER residual volume ventricular contraction; systole; qrs complex - ANSWER ventricular depolarization located between left ventricle and left aorta - ANSWER aortic semilunar valve