The Mitral Valve is located between the Left Atrium ( Left upper chamber) and the Left Ventricle (Left lower chamber)
The wall between the two upper heart chambers is called the septum
The two large chambers at the bottom of the heart are the left and right ventricles.
A Pharoh was buried in a sarcophagus which was located in special chambers in called tombs inside pyramids in Egypt. Was this what you were looking for?
Chambers or judge's Chambers
The chambers at the bottom are called ventricles.
Lobsters have gills located inside two branchial chambers. Water is pumped through these chambers by an apendage called the scaphognathite. Oxygen is extracted and the water expelled.
The top of the heart is called the apex. The left and right ventricles are located in the apex of the heart.
Heart
The two top chambers of the heart are called the right and left auricle respectively
The upper chambers in the heart are called atria (singular: atrium).
The bicuspid, or mitral valve (also called the left atrioventricular valve), is located between the left atrium and left ventricle. It prevents any backward flow of blood during contractions of the left ventricle.
Lobsters have gills located inside two branchial chambers. Water is pumped through these chambers by an apendage called the scaphognathite. Oxygen is extracted and the water expelled.