Atrium (heart) of blood occurs. In birds, mammals, and some other reptiles (alligators in particular) the partitioning of both chambers is complete. Atrium (heart) The atrium is the upper chamber in which blood enters the heart. There are two atria in the human heart – the left atrium connected to the lungs, and the right atrium connected to the venous circulation. The atria receive blood, and when the heart muscle contracts they pump blood to the ventricles. All animals with a closed circulatory system have at least one atrium/auricle (humans have two atria). The atrium used to be called the "auricle", and
Which Way Is Up? the film unfunny. 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