The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If the human eye was a digital camera, it would have 576 megapixels.
25
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
We share 70% of our DNA with a slug.
218
Your thumb is about the same size as your nose.
124
