A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?(1 point)
Responses
the pulmonary vein
the pulmonary vein
the aorta
the aorta
the capillaries
the capillaries
the alveoli
the alveoli
What is the function of the vena cava?(1 point)
Responses
It carries oxygenated blood from the lungs to the heart.
It carries oxygenated blood from the lungs to the heart.
It carries deoxygenated blood from the heart to the lungs.
It carries deoxygenated blood from the heart to the lungs.
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the body to the heart.
It carries oxygenated blood from the heart to the body