The right lung takes in more air than the left.
30
Your skin is actually an organ.
88
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
The human body contains over a billion miles of DNA.
147
More people use blue toothbrushes, than red ones!
66
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18