Atrium (heart) now used for an appendage of the atrium. Humans have a four-chambered heart consisting of the right atrium, left atrium, right ventricle, and left ventricle. The atria are the two upper chambers. The right atrium receives and holds deoxygenated blood from the superior vena cava, inferior vena cava, anterior cardiac veins and smallest cardiac veins and the coronary sinus, which it then sends down to the right ventricle (through the tricuspid valve) which in turn sends it to the pulmonary artery for pulmonary circulation. The left atrium receives the oxygenated blood from the left and right pulmonary veins, which it
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