WAEC - Biology (1998 - No. 11)
Which of the following statements about the circulation of blood is not correct?
Deoxygenated blood flows in the heart through the vena cavae
Blood is pumped out of the heart through the aorta
Oxygenated blood from the lung; is carried to the left auricle
The oxygenated blood enters the lungs through the pulmonary vein
Ventricles contract to pump blood into the aorta
Vysvětlení
The right ventricle opens out into the pulmonary artery, which branches into two, one leading to the right lung and the other to the left lung.