Transcript Slide 1

What Tobacco Does to the Body
On the Smoker
Cigarettes impair the health
of the smoker in two ways.
Through short-term effects
that occurs immediately after
the smoker lights up and the
long-term effects that occurs
as the smoker continues.
Diseases of the Circulatory
Nicotine makes the heart work
harder and speeds up the pulse.
Smoking constricts the blood
vessels, which cuts down on
circulation, or blood flow to the
limbs. Nicotine also contributes to
plaque buildup in the blood vessels
increases the chance of
arteriosclerosis and gradually clogs
the blood vessels to the heart.
Smoking raises blood pressure and
leads to increased risk of strokes.
Chapter 11
Organs of the Respiratory System
Smoking Diseases of the Respiratory System
What is Chronic Bronchitis ?
A condition in which the bronchi are irritated. As cilia
becomes useless, tar from cigarette smoke builds up,
which results in chronic coughing and excessive mucus
secretion.
What is Lung Cancer ?
It begins as the bronchi are irritated by cigarette
smoke. Cilia are destroyed and extra mucus cannot
be expelled. A cough is developed. Cancerous cells
can grow in these conditions, block the bronchi, and
move to the lungs. In advance stages, the cancerous
cells can travel to other organs.
Dangers of Smokeless Tobacco
People who use smokeless tobacco secrete more
saliva. Some of this extra saliva is unconsciously
swallowed, introducing tar and other harmful
chemicals into the digestive and urinary systems.
Tobacco juices are responsible for leukoplakia. It is
thickened, white, leathery-appearing spots on the
inside of the mouth. It can turn into oral cancer.
Effects of smoke on the Nonsmoker
What is passive smoke ?
Smoke inhaled by nonsmokers as well as smoke that
remains in a closed environment after the smoker is
through smoking.
What is mainstream smoke ?
The smoke a smoker blows off.
What is sidestream smoke ?
The smoke that comes from burning tobacco.