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
Given name register a name that may cause a child harm, which is considered offensive or which are deemed impractical. In France, the agency can refer the case to a local judge. Some jurisdictions, such as Sweden, restrict the spelling of names. Parents may choose a name because of its meaning. This may be a personal or familial meaning, such as giving a child the name of an admired person, or it may be an example of nominative determinism, in which the parents give the child a name that they believe will be lucky or favourable for the child. Given names most