Enamel is hardest substance in the human body.
61
The human body contains over a billion miles of DNA.
147
Chewing gum boosts your brain power.
285
The human brain has the capacity to store everything that you experience.
4k
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
One human hair can support 3 ounces.
191
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
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