What function do the alveoli perform?(1 point)
Responses
hold receptors for the sense of smell
exchange oxygen in the air for carbon dioxide in the blood
carry oxygenated blood away from the heart
exchange oxygen in the blood for carbon dioxide in the air
The correct answer is: exchange oxygen in the air for carbon dioxide in the blood
Which organ of the respiratory system is located inside the lungs?(1 point)
Responses
nasopharynx
trachea
bronchioles
larynx
The correct answer is: bronchioles
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 aorta
the capillaries
the alveoli
the pulmonary vein
The correct answer is: the alveoli
What is the function of the vena cava?(1 point)
Responses
It carries deoxygenated blood from the body to the heart.
It carries deoxygenated blood from the heart to the lungs.
It carries oxygenated blood from the lungs to the heart.
It carries oxygenated blood from the heart to the body.