Our BRAIN is the most complicated & mysterious thing in whole universe.. We know more about the universe than the BRAIN.. Our BRAIN consists of approximately 100 billion neurons (which is as many cells as there are stars in the Milky Way).. Each neuron has approximately between 1,,000 and 10,,000 synapses,, equalling about 1 quadrillion synapses.. If all the neurons in the human BRAIN were lined up,, they would stretch 600 miles.. As a comparison,, an octopus has 300,,000 neurons,, a honeybee has 950,,000,, and a jellyfish has no BRAIN at all.. Our BRAIN has a surface area of approximately 2400 Sqcm.. When we awake,, our BRAIN generates enough energy to light up a bulb.. There are more than 100,,000 chemical reactions happening in the human BRAIN every second..

Our BRAIN uses around 20% of our body’s total blood,, contains 60% of fat & around 20% of the total oxygen in our body.. During early pregnancy,, around 2..5 Lac neurons produced every minute.. After birth within a year our BRAIN will three times larger in size.. An adult BRAIN weighs about 3..5 pounds.. The sperm whale has the largest BRAIN of all animals,, weighing up to 20 pounds.. Our BRAIN has around 1 Lac miles of blood vessels..

There is a similarity between birds & us in terms of control of body.. The left side of our BRAIN controls speech,, while in birds the left side of their BRAIN controls singing.. Scientists identified that the cerebellum is the part of our BRAIN that prevents us from tickling ourselves.. It also helps us distinguish between expected & unexpected sensations..

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