The average person's skin weighs twice as much as their brain.
131
The human eye blinks an average of 4,200,000 times a year.
233
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
One human hair can support 3 ounces.
191
In one day, adult lungs move about 10,000 litres of air.
11
Your heart will pump about 212 million liters in its lifetime.
26
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
By weight, Bone is five times stronger than steel.
417