The atria receive blood from various parts of the body and pass it into the ventricles. The ventricles, in turn, pump blood to the lungs and to the remainder of the body. The right atrium, or right superior portion of the heart, is a thin-walled chamber receiving blood from all tissues except the lungs.
The Vestibule and Semicircular Canals. While the cochlea is involved in hearing, the other two parts of the inner ear's bony labyrinth, the vestibule and semicircular canals, are involved in keeping you upright-your sense of balance, that is. The vestibule detects changes in linear acceleration-that is to say, movement in one direction.
The Importance of Balance in Ballet. Balance is a key factor when doing ballet. All parts of an adagio combination require balance and much control. Holding a pose is not all there is to it, whether you are holding it for a few counts or moving from one pose to the next. A simple pirouette is executing balance while you are turning.