Atrium (heart) of blood occurs. In birds, mammals, and some other reptiles (alligators in particular) the partitioning of both chambers is complete. Atrium (heart) The atrium is the upper chamber in which blood enters the heart. There are two atria in the human heart – the left atrium connected to the lungs, and the right atrium connected to the venous circulation. The atria receive blood, and when the heart muscle contracts they pump blood to the ventricles. All animals with a closed circulatory system have at least one atrium/auricle (humans have two atria). The atrium used to be called the "auricle", and
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