What function do the alveoli perform?
carry oxygenated blood away from the heart
exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the blood for carbon dioxide in the air
hold receptors for the sense of smell
The alveoli perform the function of exchanging oxygen in the air for carbon dioxide in the blood.
Which organ of the respiratory system is located inside the lungs?
larynx
bronchioles
trachea
nasopharynx
The bronchioles are the smaller branches of the bronchi that are located inside the lungs.
A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?
the pulmonary vein
the capillaries
the alveoli
the aorta
If a patient has low blood oxygen levels despite proper blood circulation, the most likely malfunction is in the alveoli. The alveoli are responsible for the exchange of oxygen and carbon dioxide between the air and the blood. If the alveoli are not functioning properly, oxygen may not be effectively picked up from the air, leading to low blood oxygen levels.
What is the function of the vena cava?
It carries deoxygenated blood from the body to the heart.
It carries oxygenated blood from the heart to the body.
It carries oxygenated blood from the lungs to the heart.
It carries deoxygenated blood from the heart to the lungs.