Chemistry, 19.05.2021 21:10 ayoismeisalex

Which best describes how a fetus exchanges gases while in the womb? Gases are removed by the umbilical cord and taken to the uterus.
Gas exchange occurs at the lungs.
Gas exchange occurs through the placenta.
Gases diffuse out of the fetus directly into the uterus.

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Which best describes how a fetus exchanges gases while in the womb? Gases are removed by the umbili...