Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human brain doesn't stop developing until about 25 years old.
102
Your thumb is about the same size as your nose.
124
Chewing gum boosts your brain power.
285
The average sperm cell swims at 8 inches per hour.
76
The human body contains over a billion miles of DNA.
147
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92