The human brain is the center of the human nervous system. *It gives us the power

The human brain is the center of the human nervous system.
*It gives us the power

1. Introduction Brain: * The human brain is the center of the human nervous system . *It gives us the power to see, hear, smell, taste, touch, feel, think, plan, speak, imagine..... *B rain is made of approximately 100 billion nerve cells , called neurons. Neuron: *A nerve cell that sends and receives electrical signals over long distances within the body. *Neurons have the amazing ability to gather and transmit electrochemical signals to each other. * Neurons are the basic data processing units, the 'chips', of the brain