Is there a multiple choice? It would be easier for us to help...
A tumor that spreads from its original location to another location is called a malignant.
A malignant tumor is capable of infecting neighboring tissues and can possibly infect tissues that are pretty distant. It's growth is not limited either.
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B. more soldies who had lost a limb returned home
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Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber. The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions. The calcium ions diffuse into the muscle fiber.
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