The human brain is the main organ of the human central nervous system. It is located in the head, protected by the skull. It has the same general structure as the brains of other mammals, but with a more developed cerebral cortex. Large animals such as whales and elephants have larger brains in absolute terms, but when measured using a measure of relative brain size, which compensates for body size, the quotient for the human brain is almost twice as large as that of a bottlenose dolphin, and three times as large as that of a chimpanzee.

We are going to list in the following a series of brain facts that may interest you;

The typical brain is about 2% of a body’s weight but uses 20% of its total energy and oxygen intake.

Ninety minutes of sweating can temporarily shrink the brain as much as one year of aging. (6)

Your brain is 73% water. It takes only 2% dehydration to affect your attention, memory and other cognitive skills.

Each neuron connects with, on average, 40,000 synapses.

A piece of brain tissue the size of a grain of sand contains 100,000 neurons and 1 billion synapses all communicating with each other.

All brain cells are not alike. There are as many as 10,000 specific types of neurons in the brain.

Your brain weighs about 3 pounds. Of that, the dry weight is 60% fat, making your brain the fattiest organ.

25% of the body’s cholesterol resides within the brain. Cholesterol is an integral part of every brain cell. Without adequate cholesterol, brain cells die.

No one knows for sure, but the latest estimate is that our brains contain roughly 86 billion brain cells.

Publisher: Lebanese Company for Information & Studies

Editor in chief: Hassan Moukalled


Consultants:
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Syria : Joseph el Helou, Asaad el kheir, Mazen el Makdesi
Egypt : Ahmad Al Droubi
Managing Editor : Bassam Al-Kantar

Administrative Director : Rayan Moukalled

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