The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Enamel is hardest substance in the human body.
61
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
On average a woman has 4 sexual partners in her lifetime.
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