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The Brain Essay

715 words - 3 pages

A computer carries out functions through electrical currents. Similar to our brain and body, the brain carries out functions through our nerves. The brain gets information, processes that information, and then sends it out to the rest of the body. A large amount of information is put out to the body through the spinal cord, telling the body to do voluntary and involuntary acts. The brain is broken down into three swellings with five structures, the forebrain consists of the telencephalon, and the diencephalon, the midbrain consists of the mesencephalon, and the hindbrain consists of the metencephalon and the myelencephalon.
The three swellings of the brain are the forebrain, the midbrain, ...view middle of the document...

The optic nerve is attached to the diencephalon, it goes from the eye to the optic canal and then attaches to the diencephalon. This nerve controls a person’s vision and how well they can see.
The midbrain consists of one structure, the mesencephalon. This structure is made up of two divisions the tectum and the tegmentum. The tectum also known as the roof is the dorsal surface of the midbrain. The other division tegmentum is ventral to the tectum, and it contains three structures, the periaqueductal gray, the substantia nigra, and the red nucleus.
The first structure of the hindbrain is the metencephalon, this structure holds many rising and falling tracts and a part of the reticular formation. This structure consists of the reticular, the pons, and the cerebellum. This structure creates what is called pons, bulges on the brain stem’s ventral surface; which is one major division of the metencephalon. The other major division is the cerebellum also known as the little brain, is the large convoluted structure on the brain stem’s dorsal surface. If the cerebellar...

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