I understand that oxygen is transferred through the umbilical cord. But what takes place to suddenly flip the switch and create the need and capability to breathe air?
In: Biology
Someone here will explain it better but basically there’s a flap that is closed while they’re in fluid and it opens (and stays open) when they’re out of fluid.
I saw a video of a water birth and the baby was under the water for quite a while as the flap open hadn’t been triggered. Made me anxious to watch, tbh.
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