CONFESSION: I really don't understand prenatal respiration.
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Replying to @michaelmalice
Oxygen in the blood transferred through the uterus to the placenta through the umbilical cord to the baby. Waste from the baby's blood comes back the same way and is filtered through the mothers kidneys.
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Replying to @Queen0fcups
i do understand how to look things up, ty
8:51 AM - 27 Dec 2017
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