We just learned about the Organ of Conti.
Another part of the ears is the Perilymph.
This is a gooey liquid that is inside the bony labryinth we learned about.
The perilymph helps control the electrical messages that are sent to the brain when the ear hears a sound and turns it into a message.
(from: wikipedia - perilymph)
Kid Facts - Blast from the past: NK Cells