One human hair can support 3 ounces.
191
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain has the capacity to store everything that you experience.
4k
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193