Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Human hair and fingernails continue to grow after death.
7
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
There are about 255 babies born worldwide every minute.
46
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Babies crawl an average of 200m a day.
212
A person can live without food for about a month, but only about a week without water.
156
Your fingernails grow faster in summer.
744