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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
There's 100 trillion good bacteria living in your body.
17
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118