ELi5: When a baby is born, how are their lungs instantly able to breathe air if they haven’t been breathing air for 9 months?
In: Biology
Why not? The muscle is there to pull open the lungs and suck in the air.
Fun fact: Elephants spend 18-22 months in the womb before breathing. And, they walk within an hour of birth, at 250lb/113kg.
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