Earwax, Butt Hair, and Other Weird Human Attributes

The video explores various 'useless' body parts, revealing their hidden functions. Earwax protects and cleans the ear canal, while baby teeth allow for jaw growth. Crooked teeth may result from dietary changes due to agriculture. The appendix plays a role in immunity, and butts aid in running. The purpose of butt hair remains speculative, with theories suggesting scent communication and friction reduction. Vestigial structures like the tailbone and wisdom teeth hint at evolutionary history.

What new insight or understanding did you gain from this video?