On average, there's 100 billion neurons in the human brain.
83
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The human brain has the capacity to store everything that you experience.
4k
Mushrooms are more closely related to humans than they are to plants.
47
Yawns are more contagious among people with closer relationships.
163
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
The human sigh acts as a physiological reset button.
23