Carcinogen
Something that can cause cancer
Malignent
An active cancerous tumor
Benein
A non-moving, non-cancerous tumor
Metastisize
When a cancerous tumor moves through the body
Cancer
Damaged cells that reproduce uncontrollably
Cell
The smallest unit of life
DNA
DeoxyRiboNucleaic Acid
RNA
RiboNucleaic Acid