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The brain is the highest part of the nervous system, consisting of two cerebral hemispheres, the left and the right, and there are horizontal nerve fibers connected between the two hemispheres. Each hemisphere includes: The cerebral cortex (cerebral cortex): is a layer of gray matter (the concentrated part of the cell body of nerve cells) on the surface.
The surface of the human brain has many concave sulcus (fissures) with a raised gyrus between the sulcus (fissures), thus greatly increasing the area of the cerebral cortex.
The human cerebral cortex is the most developed, it is the organ of thinking, which dominates all the activities in the body and regulates the balance between the body and the surrounding environment, so the cerebral cortex is the material basis for high-level neural activities.
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The human brain is divided into two parts, the upper part is controlled by the superficial consciousness (consciousness) and the lower part is controlled by the deep consciousness (subconscious).
The content of the work of these two consciousnesses is completely different. People usually use external surface consciousness and do not use deep consciousness, but excellent memory actually exists in our deep consciousness, the human brain is divided into two hemispheres, the surface consciousness is located in the left hemisphere, and the deep consciousness is located in the right hemisphere.
The right brain also has an imaginative ability to quickly convert the information it receives. The right hemisphere of the brain thinks through images, so it is able to turn words into images after hearing them, or they can turn images into words.
The way the left brain works is linear, so to speak, cumulative, from the part to the whole; The right brain works in a juxtaposition from the whole to the part.
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The human brain is composed of four parts: the cerebrum, cerebellum, diencephalithal, and brainstem. Among them: the brain is the highest part of the central nervous system, and it is also the main part of the brain. It is divided into two cerebral hemispheres, the left and right, and the corpus callosum, which is made up of nerve fibers, is connected.
The surface of the cerebral hemispheres has many sinuous grooves called sulci, and the protruding part between them is called the gyrus. These sulci and gyrus are like a crumpled piece of silk cloth, and once flattened, it is about the size of half an ordinary newspaper, about 2,250 square centimeters.
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The cerebrum includes the cerebrum, diencephalon, cerebellum, and brainstem.
The human brain is divided into two hemispheres, the left and right hemispheres.
The cerebellum is located in the back and bottom of the brain, located on the back of the brainstem, and is also divided into two hemispheres, left and right, and has many connections with the cerebral cortex, subcortical ganglia, and spinal cord.
The human brain is divided into two hemispheres, the left and right hemispheres, accounting for more than half of the entire central nervous system, and the weight accounts for 60%-70% of the total brain weight. The cerebral cortex has a total area of 2,200-2,600 square centimeters and concentrates about 14 billion nerve cells.
Usually the brain is left.
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The brain should be divided into the parietal, temporal, occipital, and frontal lobes.
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Cerebrum: includes brainstem, diencephalon, cerebellum, and telencephalon.
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The cerebrum includes the cerebrum, diencephalon, cerebellum, and brainstem.
The human brain is divided into two hemispheres, the left and right hemispheres.
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