Smoking Flashcards
what is a smoking cigarette made up of
- nicotine
- tar
- carbon monoxide
- irritants
what is nicotine
nicotine is a poisonous substance that enters our blood from our lungs
what are the disadvantages of nicotine in a cigarette
- it can cause addiction
- it can cause heart diseases
what is tar
tar is a thick and sticky brown liquid that is used to lay roads
what are the disadvantages of tar
- it can cause lung cancer
- it can damage the lungs
what is carbon monoxide
- it is a colorless gas released by exhaust pipes in cars
what are the disadvantages of carbon monoxide
- it prevents blood from absorbing oxygen
- it can damage the heart
- can feel tired easily
what is irritants
it irritates and damages the lungs
what are the disadvantages of irritants
- causes coughing
- causes lung cancer
what are examples of smoking diseases
- heat disease
- lung cancer
- bronchitis
- high blood pressure
what is heart disease
heart disease is when harmful chemicals can damage the blood vessels
how does these chemicals damage the blood vessels
it increases the formation of blood clots and fatty deposits that blocks the blood vessels
what happens when blood vessels are blocked
the blood stops flowing and oxygen cannot be transported to the heart and muscles
besides heart disease, this can cause ..
high blood pressure
what is lung cancer
tar is poisonus to our cells. this can cause the cells to grow abnormally
what is bronchitis
bronchitis refers to the inflammation of the airways
what does the tiny hairs in the windpipe and bronchi do?
the tiny hairs helps to sweep out the dust and harmful substances so that they do not enter the lungs
what happens when harmful substances enters the lungs
it can damage the airways
if the air way is damaged , what can it cause
it can cause the smoker to cough badly and have difficulty breathing
what are the symptoms of bronchitis
- swelling and pain in the throat
- bad continuous cough
- shortness of breath
- feeling tired all the time
what is passive smoking
passive smoking is when people who inhale cigarette smoke from smokers around them
what can passive smoking cause
this can cause illnesses related to smoking
what is the risk of contracting lung cancer
even if people who do not smoke , they breathe in the harmful substances that can damage the lungs
