A neuron is an electrically excitable cell that processes and transmits information by electrical and chemical signalling. It is the most vital building block of our brain, the reason behind all thought, ideas, emotions, memories and learning.It is estimated that humans possess more than 100 billion neurons. Each neuron in turn forms associations with close to 50,000 other neurons, which means an unbelievable mesh of close to half a quadrillion neurons. Now that is something with limitless capabilities. Understand neurons through this amazing Discovery Channel Video.
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