Foramen ovale (heart) ovale, the fossa ovalis. A fetus receives oxygen not from its lungs, but from the mother's oxygen-rich blood via the placenta. Oxygenated blood from the placenta travels through the umbilical cord to the right atrium of the fetal heart. As the fetal lungs are non-functional at this time, it is more efficient for the blood to bypass them. This is accomplished through 2 cardiac shunts. The first is the foramen ovale which shunts blood from the right atrium to the left atrium. The second is the ductus arteriosus which shunts blood from the pulmonary artery (which, after birth, carries blood
Which Bridge to Cross (Which Bridge to Burn) and raises the chill bumps at every turn." "Which Bridge to Cross (Which Bridge to Burn) debuted at number 61 on the U.S. "Billboard" Hot Country Singles & Tracks for the week of February 4, 1995. Which Bridge to Cross (Which Bridge to Burn) "Which Bridge to Cross (Which Bridge to Burn)" is a song co-written and recorded by American country music artist Vince Gill. It was released in January 1995 as the fourth single from the album "When Love Finds You". The song reached number 4 on the "Billboard" Hot Country Singles & Tracks chart. It was written by