Multiple Choice
Why is taking the first breath hard work for the newborn?
A) The lungs are not elastic.
B) The intercostal muscles are not mature enough.
C) The diaphragm is inflexible.
D) The surface tension within the alveoli is very high.
E) The respiratory center in the medulla is not yet mature.
Correct Answer:

Verified
Correct Answer:
Verified
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