There's 100 trillion good bacteria living in your body.
17
Your heart will pump about 212 million liters in its lifetime.
26
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
The human brain doesn't stop developing until about 25 years old.
102
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515