What function do the alveoli perform?
|exchange oxygen in the air for carbon dioxide in the blood|
Which organ of the respiratory system is located inside the lungs?
|bronchioles|
A patient has low blood oxygen levels, although the patient's blood is circulating properly. Which is most likely functioning improperly?
|the alveoli|
What is the function of the vena cava?
|It carries deoxygenated blood from the body to the heart.|
1. exchange oxygen in the air for carbon dioxide in the blood
2. bronchioles
3. the alveoli
4. It carries deoxygenated blood from the body to the heart.
(This is the answers to Connexus)
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To answer the first question, the alveoli in the lungs perform the function of exchanging oxygen in the air for carbon dioxide in the blood. This process happens during respiration, where oxygen from the inhaled air diffuses through the thin walls of the alveoli and enters the bloodstream, while carbon dioxide from the blood exits the body through exhalation.
Moving on to the second question, the bronchioles are the small tubes located inside the lungs. They are responsible for carrying air into the tiny air sacs called alveoli, where the gas exchange takes place. Bronchioles branch out from the bronchi, which are the main air passages in the respiratory system.
For the third question, if a patient has low blood oxygen levels despite proper blood circulation, the most likely malfunctioning component would be the alveoli. Since the alveoli are responsible for the exchange of oxygen from the inhaled air into the bloodstream, any issue with their functioning could result in reduced levels of oxygen in the blood.
Lastly, the vena cava is a large vein that carries deoxygenated blood from the body back to the heart. There are two main types of vena cava - the superior vena cava that brings deoxygenated blood from the upper body, and the inferior vena cava that carries deoxygenated blood from the lower body. The vena cava plays a crucial role in returning blood to the heart so that it can be pumped to the lungs for oxygenation.