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 brain has the capacity to store everything that you experience.
4k
Your thumb is about the same size as your nose.
124
Yawns are more contagious among people with closer relationships.
163
The average person's skin weighs twice as much as their brain.
131
The average sperm cell swims at 8 inches per hour.
76
If you are cold you are more likely to be hungry because you use energy to keep warm.
143