Atrium (heart) 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 that term is still used to describe this chamber in, for example, the "Mollusca", but in humans that name is
How Many Words 13, 2008. Lewis performed the song live on the March 6, 2008 results show of the seventh season of "American Idol". The single has sold 94,000 copies to date. How Many Words "How Many Words" is the official second single by the singer-songwriter Blake Lewis, from his debut album "A.D.D. (Audio Day Dream)". The song was expected to be followed by "Know My Name", and then "Without You". However, due to being dropped by Arista Records, "How Many Words" is the final single from his debut album. He is expected to release a single from his second album at the