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
Nea (given name) Nea (given name) Nea and Neea are Finnish female given names. The name has been in the Finnish Almanac since 1995, but the name has been considerably in use much earlier. At the end of 2015 according to the Population Register Center, approximately 7,140 women have been named Nea and 3,110 women have been named Neea. Nea and Neea are shortened versions of Linnea which is a female given name of Swedish origin. The name Linnea is linked to the famous 18th-century Swedish scientist Carl Linnaeus, who was ennobled as Carl von Linné later in life. August 3 is the