You Have Plenty Of Useless Body Parts
Share the knowledge!
Key Facts In This Video
At certain stages of development, human embryos have "tails" that are eventually absorbed and fused into vertebrae. 00:27
Some scientists believe that the plica semilunaris is a remnant of a third eyelid. 01:52
Around 37% of babies can support their entire body weight by grasping onto something. 02:23