Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human sigh acts as a physiological reset button.
23
Your heart will pump about 212 million liters in its lifetime.
26
There's 100 trillion good bacteria living in your body.
17
The human body contains over a billion miles of DNA.
147
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Within three days of death, the enzymes that once digested your food begin to eat you.
22