When you take a step, you are using up to 200 muscles.
886
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average person's skin weighs twice as much as their brain.
131
Your thumb is about the same size as your nose.
124
One human hair can support 3 ounces.
191
The human brain has the capacity to store everything that you experience.
4k
Chewing gum boosts your brain power.
285