A) rapid division in cancer cells
B) spread of cancer cells to new sites
C) regeneration of cancer cells
D) None of the above
Correct Answer: B
Solution :
A few cancer cells separated from original tumour enter into blood vessels and lymph vessels and travel to other parts of body. They may proliferate and form a new tumour at that sites. This spread of cancer cells to locations distant from their original site is called metastasis.
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