a primer in sound for architects.
The ear - seat of balance
The ear is the seat of balance:
An exquisitely sensitive tributary of the body of air
Our stereophonic sense of the horizontal and vertical comes from the ear.
from [Jeans]
The cochlea (snail) and labyrinth of the human ear, about 10 times life size.
Note the fluid filled semicircular canals of the labyrinth in the x,y and z axes.
Travel sickness - nausea - is a confusion of one's bodily movement through space.
Indeed the modern word 'noise' has its root in the Latin and Greek 'nausea' suggesting a deep link between the spatial and audible.