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 Way to the Front? for actors Joe Besser, Neil Hamilton, and Kenneth MacDonald. The film received a "BOMB" rating in "Leonard Maltin's Movie Guide" and widespread disapproval from other critics. Warner Archive released the film on made to order DVD in the United States on May 18, 2010. Which Way to the Front? Which Way to the Front? is a 1970 American comedy film starring Jerry Lewis. Brendan Byers III is a rich playboy who enlists to fight in the war against the Axis powers, but is classified 4-F. He really wants to fight, so he enlists other 4-Fs and some loyal volunteers from