A human being loses an average of 40 to 100 strands of hair a day.
133
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
You see your nose at all times, your brain just chooses to ignore it.
30
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217