We know from the structure of the cochlea that different parts resonate at different frequencies; the end closest to the stapes resonates at high frequencies and the end furthest from the ossicles res...We know from the structure of the cochlea that different parts resonate at different frequencies; the end closest to the stapes resonates at high frequencies and the end furthest from the ossicles resonates at low frequencies. The less massive parts of the cochlea (to the left- opposite of the masses in the simulation) have high resonance frequencies and the part furthest from the ossicles (to the right in the picture) have lower frequency resonance.