A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
By weight, Bone is five times stronger than steel.
417
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34