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
Avery (given name) the 634th most common given name for males in the United States in the 1910 census. In the Russian language, Avery () is a colloquial form of the male given name Averky. Avery (given name) Avery is a given name, which was originally an English surname, that was itself derived from an Old French version of the name Alfred or the Ancient Germanic name Alberich. The meaning of the name is derived from the Old English words "aelf", meaning "elf", and "raed", meaning "counsel." Avery was originally more common as a boys' name, but it is becoming more popular and