Which statement is true regarding alveoli?
a. The number of functioning alveoli is determined by birth.
b. The alveoli begin to increase in size starting at 8 years of age.
c. The complexity of the alveoli increases into adulthood.
d. These structures produce surfactant.
e. Capillaries are the origin of alveoli.
Answer:
b. The alveoli begin to increase in size starting at 8 years of age.
c. The complexity of the alveoli increases into adulthood.
e. Capillaries are the origin of alveoli.
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