Normally after birth, the blood entering the right side of the heart (right atrium) is low...

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Biology

Normally after birth, the blood entering the right side of theheart (right atrium) is low in oxygen, while the blood leaving theleft side of the heart and entering the body’s main circulation(the aorta) is high in oxygen. However, sometimes the foramen ovalefails to close after birth. What effect will this have on the levelof oxygen in the blood that leaves the heart to enter into theaorta? Fully explain why.

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A patent foramen ovale PFO is a hole in the heart that didnt close the way it should after birth During fetal development a small flaplike opening the foramen ovale fohRAYmun ohVAYlee is normally present in the wall    See Answer
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