A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your fingernails grow faster in summer.
744
In one day, adult lungs move about 10,000 litres of air.
11
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456