F for

Foramen *** Break the fossa ovalis and you break the heart. The heart is a binary form with two distinct sides: oxygen-free blood moves into the right atrium, then out again to the lungs where it is oxygenated and returns

/ Hole ABCs

F for

Foramen *** Break the fossa ovalis and you break the heart. The heart is a binary form with two distinct sides: oxygen-free blood moves into the right atrium, then out again to the lungs where it is oxygenated and returns

/ January 18, 2013