The right atrium (upper chamber) and the right ventricle (lower chamber)
It is the upper right chamber of the heart.For diagram, see Related links below.
The upper chamber on the right side of the heart.
Right Atrium
upper chamber and the lower chamber upper chamber consist the atrium while the lower chamber consist the ventricles
The right atrium is the upper chamber of the right side of the heart. It is located superior to the left ventricle.
Go to chamber 1, then chamber 2, then chamber 3, then find the upper exit to chamber 2, go to chamber 5, then chamber 6, then to the upper level exit that leads to chamber 5, and from there go to chamber 4. WOOT! I'm wearing a kingdom hearts shirt right now, if that gives you any more confidence in my advice.
The superior and inferior venae cavae.
The heart has upper and lower chambers.
The AV valves separate the upper and lower chambers of the heart. The bicuspid valve is on the left, and the tricuspid on the right.
The SA (sinoatrial) node is a cluster of cells in the upper part of the right atrium (aka the right upper chamber of the heart).
blood used by the body enters the right atrium