Monday, September 21, 2015

What is the Meaning of: Brain | Concept and Definition of: Brain


Meanings, definitions, concepts of daily use

Cerebrum Latin (which means "little brain"), the brain is one of the nerve centers that make up the brain. It lies in the part superior and anterior cranial cavity and exist in all humans vertebrae.
In humans, the brain weighs between 1.3 and 1.6 kilo. Cerebral cortex (i.e., the surface of the brain) stores approximately 22,000 million neurons, according to major medical studies.
Cellular metabolism generates biochemical energy used by the brain to trigger neuronal reactions. The energy is received by the dendrites and is issued in the axons in the form of molecules of chemicals known as neurotransmitters.
The brain is the body in charge of control and coordinate all movements of the body and process sensory information. On the other hand, it must set the homeostatic functions such as blood pressure, body temperature and the beating of the heart.
Without a doubt, the brain is the head of learning, cognition, memory and emotions. Its operation is realized through the interaction between its different areas.
The brain is divided by a longitudinal crack that distinguishes between two cerebral hemispheres: the right and the left. In turn, each this hemisphere of other cracks, although shallower, which divide the cerebral cortex in multiple lobules.
Even if the two hemispheres are opposites, they are not symmetrical morphologically. Furthermore, it is worth mentioning that only the human brain seems to be of different skills between the two hemispheres.
Note: This translation is provided for educational purposes and may contain errors or be inaccurate.

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