Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Our Right Lungs takes more air than our left lung.
194
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82