- correct answer
nicotine, tar, carbon monoxide - correct answer three damaging chemicals in
cigarette smoke are ____________________________, ___________________________________, and
_______________________________
a. narcotic analgesics
b. stimulants
c. depressants
d. hallucinogens
e. anabolic steroids - correct answer five classes of abused drugs
a. change in bladder habits
b. a sore that does not heal
c. unusual bleeding or discharge
d. thickening or lump
e. indigestion or difficulty in swallowing
f. obvious change in more or wart
g. nagging cough or hoarseness - correct answer the checklist of the seven
warning signs of cancer
drug - correct answer a chemical substance that changes the body's normal
processes
ecology - correct answer the study of how living things relate to their
surroundings