Your thumb is about the same size as your nose.
124
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Enamel is hardest substance in the human body.
61
Chewing gum boosts your brain power.
285
The average person's skin weighs twice as much as their brain.
131
Yawns are more contagious among people with closer relationships.
163
When you take a step, you are using up to 200 muscles.
886