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
Brendan (given name) Brendan (given name) Brendan is an Irish masculine given name in the English language. It is derived from the Gaelic name Breandán, which is in turn derived from the earlier Old Irish Brénainn. The Old Welsh "breenhin" is the root of the name, meaning Prince or King. The mediaeval Latin form of the name, Brendanus, has also influenced the modern English and Irish forms. Variant spellings of "Brendan" are Brendon and Brenden. In some cases it is possible that the given name "Brandon" is also a variant of "Brendan". A variant spelling of the Irish "Breandán" is Breanndán. The English