Human embryos grow tails that dissolve before birth.
From “Why do humans have a third eyelid? - Dorsa Amir” — TED-Ed
see it said at 2:02Surprising facts — each proven at the exact second of its video
Human embryos grow tails that dissolve before birth.
From “Why do humans have a third eyelid? - Dorsa Amir” — TED-Ed
see it said at 2:02