The Human Brain.

Hello, today I going to talk about the human brain, Its is the center of the human nervous system and In my opinion the brain is the most important organ in the human body.
In the anatomy, the brain is enclosed in the cranium in the human, and Its is divided in 4 lobe, They are frontal, parietal, occipital, temporal.
The human brain contain aroun of 50–100 billion neurons, and 10 billion are cortical pyramidal cells, and the most importan is that the human brain contain as 1000 trillion synaptic connections.
The brain is very interesting because its is a mistery, But in the last years it has increased the knowledge brings over of this organ. In the past one believed that the functions of the brain were located only in a zone of this organ and that the human being only was using 10 % of the capacity of our brain for these functions. Today We know that the human functions not are fixed in a determinate area, because We use all the cortex to execute functions.
In the last time, the knowledge it has increased thanks to the estudy of some illnes, as for example Parkinson, multiple sclerosis, Alzheimer's disease schizophrenia and depression.
Now exist a los of information about the brain, but still We have great for knowing and to discover on some cerebral functions and of other components of the nervous central system.
In my profession is very important know about the brain, becuase the pathology can has relationship with the alteration of some area of the brain.