asked 235k views
23 votes
1. When old cells, which normally die, instead grow uncontrollably and

form new, abnormal cells, it is called:
A. lymphoma
B. a tumor
C. carcinoma
D. cancer

asked
User Razib
by
8.4k points

1 Answer

14 votes
B a tumor of B rails
answered
User Andrew Serff
by
8.6k points
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