They are called stem cells. This cells are undifferentiated which means it can specialize in other types when it receives the right stimuli. They can divide through mitoses and become more stem cell or become a bone, muscle, blood cell, etc.
They can have 2 origins: embryos or some human tissue; their function is to regenerate or substitute damaged cells
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The Earth Revolves around the sun because the Earth Tilts<u>,</u> we have night and day.
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every number to 3 sf = 1) 45.0 2) 250 3) 1.30
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