A subterranean chamber is a room or open space that is underground.
No the Subterranean chamber was a real chamber in the pyramid of Khufu.
a part of a pyramid. Catacombs
It was used to confuse robbers.
The human heart has 4 chambers, 2 atria and 2 ventricles. Deoxygenated blood from the head, neck, and arms go through the superior vena cava and into the right atrium. Blood from the trunk and legs...
4 chambers It has 2 auricles and 2 ventricles.