10 UNKNOWN FACTS

10 UNKNOWN FACTS

1. There are approximately 100 billion

neurons in the human brain.

2. The average human brain weighs about 

pounds (1.4 kilograms).

3. The average length of the adult spinal cord is 45 cm for men and 43 cm for women.

4. A butterfly can taste with its feet.

5. Information travels in the nerves at speeds up to 268 miles per hour (429

kilometers/hour).

6. The smallest bone in the human body is the "stapes." 

• This bone, found in the ear, is only 0.25 to 0.33 cm long (0.10 to 0.13 inches) and weighs only 1.9 to 4.3 milligrams.

7. 400 to 500 ml of cerebrospinal fluid is

produced each day.

8. If people sleep 8 hours each day, they

sleep the equivalent of 122 days per year.

9. An average yawn lasts about 6 seconds.

10. The distance separating two neurons at a synapse (a junction between two nerve cells)is 20-40 nano-meters. 

(1 nano-meter which is equal to one-billionth of a meter.) 

LINK FOR NEXT UNKNOWN FACTS

https://in-no-way-tive.blogspot.com/2019/06/the-unknown-facts-4.html

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