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
Emilia (given name) Emilia (given name) Emilia is a feminine given name of Romanic origin. The name is found all over Europe and the Americas. The corresponding masculine name is Emil or Emilio. Emilia is also referenced as the Italian form of the English name, Emily. Emilia is a feminine given name derived from "Aemilia", the feminine form of the Latin nomen "Aemilius". The name is likely derived from the same root as the Latin word "aemulus", which means to rival, excel, or emulate, but this may be a folk etymology. Although similar Germanic names like Amalia may appear to be related to