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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Our brains have a negativity bias and will remember bad memories more than good ones.
15
If the human eye was a digital camera, it would have 576 megapixels.
25
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
By weight, Bone is five times stronger than steel.
417
Gorillas can catch human colds and other illnesses.
205