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
Heart Like a Wheel (The Human League song) the band after a seven-year gap. Released in the UK in August 1990, "Heart Like a Wheel" reached number 29 in the UK, number 32 in the US, and number 64 in Australia. The official music video for the song was directed by Andy Morahan. Heart Like a Wheel (The Human League song) "Heart Like a Wheel" is a song by the British synthpop group The Human League. It is taken from their 1990 album "Romantic?". "Heart Like a Wheel" was the first single to be taken from the Human League's "Romantic?" album of 1990. It was written by former