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
Dakota (given name) was in the top 100 most popular boy names from 1993 to 2001, reaching its peak at number 56 in 1995. Since 2010, it is slightly more frequently given to girls. As of 2016, it was the 233rd most common girl name and the 344th most common boy name. Dakota (given name) Dakota is a unisex given name derived from the name of an indigenous Native American tribe: Dakota people or from the name of two states in the United States: North Dakota and South Dakota which are also derived from the Dakota people local to that area. The name