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
Hanif (given name) Hanif (given name) Hanif (Arabic: حنيف) is an Arabic masculine given name, which means a righteous person or a true believer. The origin of the word is uncertain, although it is generally agreed that it is derived from the Syriac word "hanpe", which means 'heathen'. It is generally agreed that the word Ḥanīf (plural: ḥunafā') is derived from the Syriac word "hanpe", which means 'heathen'. However, there is no credible theory which can explain the transformation of the term's meaning – from heathen to monotheist. Nabataeans used Hanif's cognate to designate a follower of Hellenized religion. And Nabataean is generally