Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
There are about 255 babies born worldwide every minute.
46
The human brain is more active during sleep than during the day.
28
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Yawns are more contagious among people with closer relationships.
163
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307