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Behold , the human brainpower : Often compared to a computer , the body ’s most complex organ operates using a codification of electrical and chemical sign . These signals broadcast through wire , nodes and internet to march and hive away information .

Through these operations , the brain direct our unconscious corporal functions , such asour appetitesandlevels of wakefulness , as well as " high parliamentary law " cognitive power — solving problem , yield ideas , plan for the future . The wit has inherent plasticity , think it dynamically responds to novel data and literally restructures itself to accommodatenew memoriesand unexampled interpretations of the macrocosm around us .

Coloured sagittal MRI scans of a normal healthy head and neck. The scans start at the left of the body and move right through it. The eyes are seen as red circles, while the anatomy of the brain and spinal cord is best seen between them. The vertebrae of the neck and back are seen as blue blocks. The brain comprises paired hemispheres overlying the central limbic system. The cerebellum lies below the back of the hemispheres, behind the brainstem, which connects the brain to the spinal cord

Test your knowledge of the human brain!

scientist are still unraveling the brain ’s interior workings , but over the decades , they ’ve learn quite a heap about what makes the Hammond organ ticking . Check out the quiz below to test your knowledge of thehuman brainand its many unequaled features .

Morescience quizzes

— Human evolution quiz : What do you know about Homo sapiens ?

— What do you know about psychology ’s most ill-famed experiments ? screen your knowledge in this science quiz .

— Albert Einstein quiz : What do you sleep together about the life of the noted theoretical physicist ?

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A photo of a statue head that is cracked and half missing

A radio telescope with imaginary blue lines coming from it

Rocket liftoff

Young African elephant bull flares it�s trunk and tusks in the air.

an illustration of the brain with a map superimposed on it

a photo of a group of people at a cocktail party

An illustration of colorful lines converging to make the shape of a human iris and pupil

A reconstruction of neurons in the brain in rainbow colors

a rendering of an estrogen molecule

A photo of researchers connecting a person�s brain implant to a voice synthesizer computer.

Two young lions (Panthera leo) in the Masai Mara National Park in Kenya.

Mount Vesuvius behind the ruins of pompeii.

Stonehenge, Salisbury, UK, July 30, 2024; Stunning aerial view of the spectacular historical monument of Stonehenge stone circles, Wiltshire, England, UK.

a painting of vikings at sea

Sunda island pit viper ( Trimeresurus insularis ) on a branch. Photo taken in Jakarta.

Tunnel view of Yosemite National Park.