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mezya [45]
3 years ago
5

Why is the first breath of a newborn the most difficult ?

Biology
1 answer:
iogann1982 [59]3 years ago
3 0
The baby is used to getting what it needs through the placenta, which includes oxygen. The baby's lungs are initially filled with amniotic fluid.
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You can also learn about oxidative phosphorylation from the following question:

brainly.com/question/29104155

#SPJ4

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