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
Mina (given name) hanja with the reading "min" and 20 hanja with the reading "a" on the South Korean government's official list of hanja which may be used in given names. For the name Mi-na (미나), there are 31 hanja with the reading "mi" and 16 hanja with the reading "na" on the South Korean government's official list of hanja which may be used in given names. Mina () is a female given name in Iran, meaning "azure", "glass bead", or "enamel". Mina () means "love" in Pashto, an Indo-Iranic language spoken in Afghanistan and the northwestern regions of Pakistan, which is the