aorta
upper chamber and the lower chamber upper chamber consist the atrium while the lower chamber consist the ventricles
yes. the atria are on the top and the ventricles are on the bottom
The heart has upper and lower chambers.
Thrust Chamber
Atrial means pertaining to the upper chamber of the heart.
2, the atria is the upper chamber of the heart. since there is alower and upper chamber in the heart, and the upper part is the atria, do the math: four chamber divided in half (two lower and two upper and 2+2=4) equals two which gives the the number of atria!
Rockets exert force at the upper part of the combustion chamber. This pushes the rocket forward.
The northern hemisphere.
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).
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.
Upper Chamber.
atrial