We just learned about the Helix.
So we now about the outer ear, which has a part called the auricle or pinna, which has a part called the helix.
Another part of the auricle is the Antihelix.
The antihelix is the bump that sticks out on your ear that is sort of "Y" shaped.
(from: wikipedia - antihelix)
Kid Facts - Blast from the past: Far Sightedness