It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Poor eyesight (myopia) is associated with higher IQ.
232
Yawns are more contagious among people with closer relationships.
163
Your heart will pump about 212 million liters in its lifetime.
26
Enamel is hardest substance in the human body.
61
Your thumb is about the same size as your nose.
124
When you take a step, you are using up to 200 muscles.
886
Chewing gum boosts your brain power.
285