How does a baby 'breathe' while inside its mom?

A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.

Julie Pollock, Associate Professor of Chemistry, University of Richmond • conversation
May 5, 2020 ~6 min

Tags: placenta baby chemistry pregnancy blood oxygen mother biochemistry hemoglobin breathing breath fetus

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