Atrium (heart) similar function. Some animals (amphibians and reptiles) have a three-chambered heart, in which the blood from each atrium is mixed in the single ventricle before being pumped to the aorta. In these animals, the left atrium still serves the purpose of collecting blood from the pulmonary veins. In some fish, the circulatory system is very simple: a two-chambered heart including one atrium and one ventricle. Among sharks, the heart consists of four chambers arranged serially (and therefore called a serial heart): blood flows into the most posterior chamber, the sinus venosus, and then to the atrium which moves it to
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