While we’ve certainly grown used to our bodies, there are still some pretty unusual things about them and how they develop. For example, did you know that babies can only see black and white? Or that one strand of hair can live up to 7 years on our head? There’s a lot of these unusual facts, but they’re also so fascinating too that we just have to share some with you.
1. The only reason the acid in our stomach doesn’t eat through our body is because our stomach cells are renewed faster than they are destroyed.