This is the question for the letter H: Heart!
Oxygen-rich blood leaves the heart through which vessel?
A. Pulmonary artery
B. Aorta
C. Pulmonary vein
Scroll down for the answer!
The answer is B: Aorta
Oxygen-rich blood leaves the heart in the aorta
Oxygen-poor blood from the body enters the heart through the superior and inferior vena cava and then is pumped to the lungs through the pulmonary artery.
Oxygen-rich blood leaves the lungs through the pulmonary vein and returns to the heart. The heart pumps the oxygen-rich blood to the body through the aorta.