Question

fill in the blank question
in the fetus, pressure is greater on the right side of the heart in order to shunt blood from the right atrium through the oval into the left atrium.
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Explanation:

In fetal circulation, the foramen ovale is an opening between the right and left atria that allows blood to bypass the non - functioning lungs. Higher pressure on the right side of the fetal heart forces blood through this opening.

Answer:

foramen