effect on sen
organs
BIOLOG
PROJEC
,W h a t are c a rc i n o g e n
Carcinogen, any of a number of agents that can cause c
be divided into three major categories: chemical carcino
biological sources), physical carcinogens, and oncogenic
Most carcinogens, singly or in combination, produce can
cells and thereby interfering with normal cellular functio
formation of a tumour (an abnormal tissue growth) that
(metastasize) from its site of origin and invade and caus
culminating in organ failure and death.
, Types o f C a rc i