Atrium (heart) now used for an appendage of the atrium. Humans have a four-chambered heart consisting of the right atrium, left atrium, right ventricle, and left ventricle. The atria are the two upper chambers. The right atrium receives and holds deoxygenated blood from the superior vena cava, inferior vena cava, anterior cardiac veins and smallest cardiac veins and the coronary sinus, which it then sends down to the right ventricle (through the tricuspid valve) which in turn sends it to the pulmonary artery for pulmonary circulation. The left atrium receives the oxygenated blood from the left and right pulmonary veins, which it
June (given name) June (given name) June is a female given name, but it is also used as a male given name in English-speaking countries. It comes from the name of the month, which is derived from Juno, the name of a Roman goddess. It is also a short form of the names Juniper, Junia, Junius and Junior. June was a very popular girl's name and somewhat popular boy's name in the early to mid 20th century in the United States. As a girl's name, it reached a peak in 1925 as the 39th most popular name, but then gradually declined until it