smoking Flashcards
1
Q
what are the dangers of smoking ?
A
breathing problems
cancer
heart attack
stroke
2
Q
what is passive smoking ?
A
breathing in other people’s tobacco smoke.
3
Q
what’s in tobacco smoke ?
A
tar
nicotine
carbon monoxide
4
Q
tar
A
a chemical substance made when tobacco is burned.it irritates and narrows the airways.
5
Q
nicotine
A
an addictive drug that speeds up the nervous system.it makes the heart beat faster and narrows blood vessels.
6
Q
carbon monoxide
A
a poisonous gas that stops the blood from carrying as much oxygen as it should.
