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.
8 Health Conditions that Affect Balance. Even though balance erodes quite naturally and gradually with age, several health conditions can set your equilibrium off kilter if they affect another bodily system that helps maintain proper stability. Here are eight common and surprising conditions that can mess with your sense of balanceâ¦.