Amazing Facts about Human Brain

Amazing Facts about Human Brain

1. Weight :
Human brain weighs 3 pounds.

2. Pain :
Human brain does not feel any pain because there are no pain receptors in brain.

3. Percentage Of Fat :
Human brain is the fattest organ in the body, its contents are, at least, 60% fat.

4. Survival Without Oxygen :
Human brain can survive for 4 to 6 minutes without oxygen before it starts to die.

5. Time before loss of consciousness :
Human brain gets 8 to 10 seconds before losing consciousness due to blood loss.

6. Power generated by brain :
Human brain generates 10 to 23 watts of power when awake (thats enough to turn on a light bulb ! ).

7. Part of oxygen and blood received by brain :
Human brain gets 20 percent of the total body oxygen and blood.

8. Total length of blood vessels in the brain :
Total length of blood vessels present in the human brain is 100,000 miles.

9. Number of synapses :
Human brain contains 1,000 to 10,000 synapses for each neuron.

10. Number of neurons :
Human brain contains 100 billion neurons.