Term
| What is a stimulant found in tobacco? |
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Definition
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Term
| What are some harmful substances found in tobacco? |
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Definition
1) arsenic 2) carbon monoxide 3) formaldehyde 4) nicotine |
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Term
| Why is nicotine bad for you? |
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Definition
| it causes physical and mental addiction |
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Term
What does smoking do to cilia in the lungs? |
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Definition
it causes the cilia to stop working 1) so mucus collects and blocks air tubes 2) then alveoli break 3) then you get less oxygen 4) then less carbon dioxide is released and you have a harder time breathing |
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Term
Why are smokers more likely to get sick? |
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Definition
| dirt and bacteria stay trapped in lungs because cilia stop working |
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Term
What are some diseases smokers are likely to get? |
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Definition
1) heart disease 2) cancer 3) lung disease - emphysema 4) high blood pressure |
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Term
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Definition
lung disease 1) air sacs (alveoli) are destroyed 2) less oxygen/CO2 exchanged |
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Term
How does nicotine cause high blood pressure? |
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Definition
it makes the blood vessels narrow so the heart has to work harder to pump the blood through smaller openings |
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Term
| What is secondhand smoke? |
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Definition
the smoke from a burning tobacco product (from someone else smoking) |
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