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8th Grade Ch. 4 Sec. 2 Smoking & Your Health
 

8th Grade Ch. 4 Sec. 2 Smoking & Your Health

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    8th Grade Ch. 4 Sec. 2 Smoking & Your Health 8th Grade Ch. 4 Sec. 2 Smoking & Your Health Presentation Transcript

    • Ch. 4 Sec. 2 Smoking & Your Health
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    • Chemicals in tobacco smoke tar DARK, STICKY SUBSTANCE THAT FORMS WHEN TOBACCO BURNS STICKS TO CILIA ON RESPIRATORY ORGANS HAS CHEMICALS THAT CAUSE CANCER
    • tar
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    • CARBON MONOXIDE COLORLESS, ODORLESS GAS BINDS TO HEMOGLOBIN CAUSES RED BLOOD CELLS TO CARRY LESS OXYGEN
    • The more cigarettes a person smokes, the more carbon monoxide he or she inhales. How does carbon monoxide deprive the body of oxygen?
    • NICOTINE SPEEDS UP NERVOUS SYSTEM, HEART & OTHER ORGANS MAKES HEART BEAT FASTER & BLOOD PRESSURE RISE PRODUCES ADDICTION (PHYSICAL DEPENDENCE)
    • HEALTH PROBLEMS
      • irritation of breathing passages  become narrower
      • clog with mucus
      • difficulty breathing
      chronic bronchitis
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    • HEALTH PROBLEMS
      • destroys lung tissue
      • causes difficulty breathing
      • permanent damage - even if stop smoking
      lung damaged by emphysema emphysema
    • This lung was taken from an 82 year old male who died from natural causes and never smoked. This lung was taken from a 42 year old male who died from the effects of smoking around 20 cigarettes per day. Which lungs do you want ?
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    • HEALTH PROBLEMS
      • tumors take away space in lungs that s/b used for gas exchange
      lung cancer
    • Lung cancer
    • HEALTH PROBLEMS
      • chemicals in tobacco irritate walls of blood vessels
      • buildup of fatty material
      • smokers 2X likely to have heart attack
      YouTube video-What smoking does to your body atherosclerosis
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    • Passive Smoking
      • involuntary inhale smoke from other people’s cigarettes, cigars or pipes
      • smoke has same harmful chemicals that smokers inhale
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    • Choosing not to smoke
      • 90% of smokers began smoking as teenagers
      • temptations to smoke :
        • peer pressure
        • advertisements
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    • Fred & Wilma Flintstone & Barney Rubble smoking in the 1950’s
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    • Do you know about smoking and your health?
    • What are 3 harmful substances in tobacco smoke?
    • What are 3 harmful substances in tobacco smoke?
      • Tar
      • Carbon monoxide
      • Nicotine
    • How does each of the harmful substances directly affect the body?
    • How does each of the harmful substances directly affect the body?
      • Tar-affects the respiratory system. Causes cilia to clump together so they can’t prevent harmful materials from entering the lungs. Contains chemicals that cause cancer.
      • Carbon monoxide-affects the circulatory and respiratory systems. Binds to hemoglobin in red blood cells so that they can’t carry enough oxygen-leads to increased breathing and heart rates
      • Nicotine-affects the nervous system & heart. Speeds up their activities & increases blood pressure. Causes addiction.
    • Why might nicotine-containing products, such as chewing gums or skin patches, help a person who is trying to quit smoking?
    • Why might nicotine-containing products, such as chewing gums or skin patches, help a person who is trying to quit smoking?
      • The nicotine in the products will help satisfy the person’s craving for nicotine.
    • Identify 4 health problems that can develop in smokers over time.
    • Identify 4 health problems that can develop in smokers over time.
      • Bronchitis
      • Emphysema
      • Lung cancer
      • Atherosclerosis
    • How does smoking contribute to atherosclerosis?
    • How does smoking contribute to atherosclerosis?
      • Chemicals from smoke get into the blood are absorbed by blood vessels, and then irritate the walls of the blood vessels. The irritation contributes to the buildup of fatty materials.
    • What effect would it have on the circulatory system if a person quit smoking?
    • What effect would it have on the circulatory system if a person quit smoking?
      • The blood could carry more oxygen. The blood vessels would no longer be irritated by the chemicals in the tobacco smoke. Blood pressure might be lower. The person then would be less likely to have atherosclerosis or a heart attack.
    • Anti-Smoking Commercials
      • Funny Anti-Smoking commercial
      • Serious anti-smoking commercial