GARRY WATSON / SCIENCE PHOTO LIBRARY GARRY WATSON / SCIENCE PHOTO LIBRARY
Human brain. Top view of a healthy human brain. Here, the convoluted surface of the cerebrum of the brain is seen, divided into left and right cerebral hemispheres. The cerebrum is the largest region of the human brain, where higher thought processes occur with the coordination of voluntary body activity. The cerebellum is visible at lower centre, between the cleft of the cerebral hemispheres. The cerebellum is a convoluted structure of the hindbrain, which coordinates muscle movement. Blood vessels supplying the brain are seen in clefts (sulci) of the cerebrum. An average adult human brain weighs about 1400 grams, around 2% of the total body weight.
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