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Find out about the different stages of a human life cycle and how ... What is the digestive system? Discover how the food gets into the body, through the digestive system. What happens to food ...
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The Brighterside of News on MSNHuman touch stimulates 16 different types of nerve cells in the bodyScientists have identified no less than 16 distinct types of nerve cells in the human dorsal root ganglion (DRG), ...
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