There are 100,000 miles of blood vessels in the brain. Information can be processed as slowly as 0.5 meters/sec or as fast as 120 meters/sec (about 268 miles/hr).

The average number of thoughts that humans are believed to experience each day is 70,000.
While awake, human brain generates between 10 and 23 watts of power which could be enough energy to power a light bulb. It is thought that a yawn works to send more oxygen to the brain either to cool it down or wake it up.

The human brain uses 20% of the total oxygen as well as uses 20% of the blood circulating in human body. If human brain loses blood for 8 to 10 seconds, a person will lose consciousness. The human brain can live for 4 to 6 minutes without oxygen, and then it begins to die. No oxygen for 5 to 10 minutes will result in permanent brain damage.

http://www.information-facts.com/health/the-average-human-experiences-about-70000-thoughts-a-day

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