On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
The average person's skin weighs twice as much as their brain.
131
Your fingernails grow faster in summer.
744
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
Your heart will pump about 212 million liters in its lifetime.
26
Yawns are more contagious among people with closer relationships.
163
One human hair can support 3 ounces.
191