Your thumb is about the same size as your nose.
124
The average person's skin weighs twice as much as their brain.
131
Every year your body replaces 98% of your atoms.
119
Our Right Lungs takes more air than our left lung.
194
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190