A person can live without food for about a month, but only about a week without water.
156
The human body contains over a billion miles of DNA.
147
Every human spent about half an hour as a single cell.
144
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A human being loses an average of 40 to 100 strands of hair a day.
133
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The average person's skin weighs twice as much as their brain.
131
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130