The main building block in our brain – Neuron

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Neuron is the brain’s main unit and there are at least 10 billion neurons in our brain. Between nerve cells, thousand synapses provide the contact. How the neuron communicate with each other? By sending chemical information from one nerve cell to another. So then, what is neurotransmitters? Neurotransmitters are the brain chemicals that communicate information throughout our brain and body. They send signals between the neurons. It is these chemical messaging that takes place in our brain controlling how we speak, think, regulating body systems, and others.


billion of neuron in our brain

Synapses are those small spaces between the neurons in the brain. When one neuron is charged into action, a chemical message will be sent across the synapse to another neuron. At the receiving neuron, there is a receiving area called receptor that will decide whether to receive that chemical message or not. If yes, the receiving neuron will generate another chemical message for next action. Very interesting working mechanism in our brain. We will find more fun when we get into more detail.

Within the human body, there is the central nervous system which divide the system into two groups – one inside the head and the other inside the spinal cord. Inside the brain, it composes two major sections, the left and right cerebral hemispheres. Each hemisphere in turn compose of four sections, the frontal lobe, the parietal lobe, the occipital lobe and the temporal lobe.



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