A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A human being loses an average of 40 to 100 strands of hair a day.
133
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Your thumb is about the same size as your nose.
124
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Your heart will pump about 212 million liters in its lifetime.
26