Your thumb is about the same size as your nose.
124
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The lifespan of a tastebud is ten days.
130
Your heart will pump about 212 million liters in its lifetime.
26
If your DNA was stretched out it would reach to the moon 6,000 times.
256
More people have a phobia of frogs than rats.
41
Your ears secrete more earwax when you are afraid than when you aren't.
229
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197