Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The human body contains over a billion miles of DNA.
147
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307