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 Is Up? Which Way Is Up? Which Way is Up? is a 1977 American comedy film starring Richard Pryor and directed by Michael Schultz. It is a remake of the 1972 Italian comedy film "The Seduction of Mimi" starring Giancarlo Giannini and directed by Lina Wertmüller. Richard Pryor plays three roles: an orange picker who has two women at the same time, the orange picker's father, and a Reverend who gets the orange picker's wife pregnant. When he falls into a union action by mistake, Leroy Jones is laid off from his job picking oranges. The only option given to find work