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

3 answers

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
It carries deoxygenated blood from the body to the heart.