What is the name given to the opening that allows blood to flow from the right atrium directly into the left atrium of the fetal heart?
A) ductus arteriosus
B) foramen ovale
C) vernix caseosa
D) ductus venosus
E) lanugo

Question

Quizplus · Accepted Answer

The foramen ovale is an opening in the fetal heart that allows blood to flow from the right atrium directly into the left atrium. This opening is necessary because the fetal lungs are not yet fully developed and cannot oxygenate the blood. The foramen ovale closes after birth when the lungs begin to function.

What Is the Name Given to the Opening That Allows