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Brain

Brain. Wire-frame computer artwork of ahealthy human brain, seen in profile. The front ofthe brain is at right. The convoluted outer layerof the brain, the cerebral cortex, is folded into gyri. The cerebral cortex is rich in nervecells and is involved in conscious thought, sensation and movement. The cerebellum (roundedstructure at lower left) and brainstem (bottomleft) control subconscious automatic functionssuch as breathing (brainstem) and body posture(cerebellum). The human brain weighs around 1.4kilograms in adults.. Stunning Photo Gifts From Science Photo Library