Nervous tissue is made up of neurons and supportive cells. Throughout the human body the neurons carry electrical and chemical signals, while nutrition is provided by the supportive cells.
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Because it is also one of the larval stages in some other groups of invertebrates, and are used by biologists to deduce evolutionary relationships among different groups of invertebrates
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Answer:
Osmosis is a passive transport process during which water moves from areas where solutes are less concentrated to areas where they are more concentrated. Illustration of osmosis.
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