A lot of utterly tasteless memes and misplaced jokes doing the rounds following the tragic news about the Titan sub. I don't know how people can sink so low.
It takes 7 seconds for food to pass from mouth to stomach. A human hair can hold 3kg. The size of a penis is three times the length of the thumb. The femur is as hard as concrete. A woman's heart beats faster than a man's. Women blink 2 times as much as men. We use 300 muscles just to keep our balance when we stand. A woman has read this entire text, and a man is still looking at his thumb.