Which of the following best describes what alveoli are?
Answer :
A. They are the smallest tubes in the respiratory system.
B. They have a small amount of surface area.
C. They are found on the end of bronchioles.
D. They are comprised of millions of cells.
Correct Answer: C. They are found on the end of bronchioles.
Alveoli, the minute air sacs nestled within your lungs, diligently absorb the oxygen you inhale, thus sustaining the continuous functioning of your body. Despite their minuscule size, these alveoli serve as the industrious workhorses of your respiratory system.
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