Up to one-third of a living bone’s weight is water.
3.Due to their genes, redheads may need about 20%more anesthesiathan non-redheads.
They’re so tiny that it’s possible for you to’t see them without a microscope.
But don’t worry!
They’re generally harmless and can help with removing dead skin cells.
6.Like fingerprints, human tongues also have uniquetongueprints.
7.Human brains are constantly eating themselves.
Other fears are shaped or learned with experience.
10.Humans typically produce0.5 to 1.5 liters of salivaevery day.
12.Humans are believed to be theonly speciesthat blush.
How embarrassing (but also demure) of us.
13.One of thecausesof hiccups is a sudden temperature change.
14.Thesciatic nerveis the longest nerve in the body.
15.Our bodies give off alight glowthat’s too weak for our eyes to see.
16.At aroundsix weeks, fetuses begin developing baby teeth.
Depending on the person, the skin itself canweighup to six pounds or more.
18.Humansshedaround 30,000 to 40,000 skin cells every hour.
19.Last but not least: Like tongue prints, youreye coloris uniquely yours!
Nobody shares theexactsame shade or color not even identical twins.
