Smokers can develop a hacking _____.
What is cough.
_____ in tobacco acts as a stimulant.
What is nicotine.
Cigarette smoking is a main cause of _____ cancer.
What is lung cancer.
Smoking cigarettes can make the heart beat _____.
What is faster.
Instead of calming people down, smoking cigarettes can make them more _____.
What is nervous.
Most regular smokers find that smoking is a difficult _____ to break.
Habit.
Carbon monoxide forces oxygen from the body's _____ blood cells.
What are red blood cells.
Smoking increases the chances of having a _____ attack.
What is a heart attack.
_____ is a healthy way to increase the pulse rate.
What is exercise.
Secondhand _____ can be dangerous to nonsmokers.
What is smoke.
_____ is the colorless and odorless gas in cigarette smoke.
What is carbon monoxide.
Nicotine in cigarettes is a known _____.
What is a stimulant.
After many years of smoking, _____ builds up in smoker's lungs, making them look black.
What is tar.
Regular smokers often develop yellow _____ on their teeth and fingers.
What are stains.
Cigarette smoking can make you sick; it is _____.
What is unhealthy.
Smoke effects your body within _____ of using cigarettes.
What is seconds.
Cigarette smoking shortens this.
What is your life.
Smoking has become less socially _____.
Acceptable.
_____ teenagers are non smokers.
What is most.
_____ is the number of times that your heart beats each minute.
What is heart rate.