Heart depending on what is counted as a chamber. The atrium and ventricle are sometimes considered "true chambers", while the others are considered "accessory chambers". Primitive fish have a four-chambered heart, but the chambers are arranged sequentially so that this primitive heart is quite unlike the four-chambered hearts of mammals and birds. The first chamber is the sinus venosus, which collects deoxygenated blood from the body through the hepatic and cardinal veins. From here, blood flows into the atrium and then to the powerful muscular ventricle where the main pumping action will take place. The fourth and final chamber is the
Which Way to the Front? 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 his own service staff and forms his own army. He finances their training and equipment. Once completed, they travel to the front in Italy, with Byers impersonating a Nazi general named Eric Kesselring. The plan is to pull back the German lines, since the