human
What are some of the most unusual and bizarre things that can happen to your body?
assistant
1.  A person who has a rare genetic condition called "Fibrodysplasia Ossificans Progressiva" or FOP, is born with their bones fused together so they cannot move.
2.  The human eye is made up of three layers: the sclera (white), the choroid (red) and the retina (yellow).