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Showing posts with the label Nerve cells and its types

Why Iceland is Greeny?

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Greenland: The Icy Giant at the Center of a Warming World Why Iceland is Greeny?           Far beyond the reach of most people’s daily thoughts lies Greenland, a vast and remote Arctic island that is quietly becoming one of the most geopolitically, environmentally, and economically important places on Earth. Though it’s part of the Kingdom of Denmark and home to fewer people than a small European microstate, Greenland’s immense landmass, strategic location, and untapped wealth have made it the subject of increasing global attention. A Vast and Frozen Land           Greenland is the largest island in the world, more than three times the size of France. With a population of only 56,000, it's one of the most sparsely populated places on Earth. Roughly one-third of the population resides in Nuuk, the capital, while the rest is spread across coastal settlements. Almost no one lives inland and for good reason: roughly 80% of the ...
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What is Nerve cells? Types of Nerve cells:

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 What is Nerve cells?               Nerve cells or neurons are the structural and functional units of the nervous system.               The Human Brain is made up of about 86 billion neurons and many more neuroglial cells (more than 86 billion). A nerve cell is a microscopic structure consisting of three major parts namely, cell body, dendrites and axon. Nerve cells Types of Nerve cell:     Myelinated or Medullated or White neurons:                         When the axon is enclosed by the white fatty myelin cover, it is called Myelinated or Medullated or White neurons.  This forms the white matter of our brain.     Non-Myelinated or Non-Medullated or Grey neurons:                         This neuron is not enclosed by the myelin sheath; so i...
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