Medal2

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The human brain is a complex and highly adaptable organ that plays a vital role in our daily lives. It processes vast amounts of information, controls movement and emotion, and enables us to learn and remember new things. The human brain is made up of billions of nerve cells called neurons, which communicate with each other through electrical and chemical signals. These signals can be either excitatory or inhibitory, depending on whether they stimulate or calm the activity of the neuron.