The purpose of the foramen ovale and the ductus arteriosus is to:
A)permit most blood to bypass the fetal liver
B)permit most blood to flow through the fetal lungs
C)permit most blood to flow through the fetal liver
D)permit most blood to bypass the fetal lungs

Question

Quizplus · Accepted Answer

The foramen ovale and the ductus arteriosus allow most of the blood to bypass the fetal lungs and instead shunt it towards the systemic circulation. This is because the fetus receives oxygen from the mother's placenta rather than through its lungs.

The Purpose of the Foramen Ovale and the Ductus Arteriosus