lifestyle diseases smoking drug and alcohol abuse form 2 biology test
TRANSCRIPT
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L IFESTYLE D ISEASES
S M O K I N G D R U G A N D A L C O H O L A B U S E
FORM 2 BIOLOGY TEST
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DRUG ABUSE
• A drug is a chemical substance which can change how cells work.• Drugs are often used as medicine to prevent
, treat or cure disease.EFFECTS1. Kill bacteria2. Prevent diseases3. Loss of
feeling/sensation4. Pain relief
DRUG1. Antibiotics -----------2. Vaccines3. Anaesthetics4. Narcotics
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ALCOHOL
• A person is drunk when they consume too much alcoholic drinks.
• Alcohol is a depressant
They become:• Unable to walk upright• Careless• Loss of self-control• Temporary memory-
loss• Misjudgement• Delayed reaction time• Slurred speech• Slow to respond
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ALCOHOL IN THE BODY
• Some alcohol passes into the lungs and can e given out on the breath• The rest is
absorbed through the walls of the intestines into the blood stream
• The blood carries the alcohol to the liver• The liver removes
the alcohol from the blood• If there is too much
alcohol the excess remains in the blood stream
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EXCESS ALCOHOL IN THE BODY
1. Hepatitis
2. Cirrhosis
3. Brain damage
4. Stomach ulcer
1. Liver inflammation
2. Hardens & yellows
3. Rapid aging Unconsciousness
4. Hole in the lining
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ALCOHOLISM
• Do you think that an alcoholic will make a good parent, teacher, worker or citizen• Family abuse• Aggression
ALCOHOLICS ANONYMOUS (AA)665-1251664-5854
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SMOKING
• Cigarettes are made from the dried tobacco leaf• Tobacco contains
4000 chemicals• 400 of these are
poisonous• 40 can cause
cancer
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EFFECTS OF SMOKINGCHEMICAL HARMFUL EFFECTS
Nicotine Addiction Damage brain tissueBlood clottingHardened arteries
Tar Kills lung tissueIncreased mucusLung cancer
Carbon monoxide
Prevent the transport of oxygen
Carcinogens Causes cancerous cells to grow
Irritants Irritates air passageKills cells in lungsSmokers’ coughLung cancer
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EFFECTS OF SMOKING
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EFFECTS OF SMOKINGBODY PART ADVERSE EFFECTS OF SMOKING
Brain Stroke
Eyes Blindness/Cataracts
Nose Sense of smell deteriorates
Teeth/gums Nicotine stains teeth yellow/inflamed and infected gums
Mouth etc Cancer of the mouth, throat, larynx & colds/sore throats
Lungs etc Lung cancer/pneumonia/bronchitis/asthma/emphysema/Coughing/wheezing
Heart Heart disease, heart failure, heart attack & hypertension
Blood Cancer of the blood (leukaemia)
Stomach Stomach cancer and ulcers
Kidneys Kidney, pancreatic and bladder cancer
Reproductive System
Low sperm count/cervical cancer/lower fertility in women/ low birth weight
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PASSIVE SMOKERS
• Second-hand smoke is the smoke inhaled from a person who is smoking• Symptoms include:Smokers’ coughHeadachesChest discomfortIrritation of the nose eyes and throat
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TEST
1. What type of drug is found in cigarettes?2. For whom is it illegal to purchase or use
cigarettes?3. State three things that can happen to the body
because of smoking.4. How can you tell if a person is drunk?5. Alcohol changes the way you feel. What
category of drug is alcohol?A) StimulantB) Halucinogenc) Depressant
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TEST
1. Where does alcohol go to be cleaned up in the body?
2. What disease can be caused by the overuse of alcohol?
3. How are family and friends affected by someone who…a) Smokes?
b) Drinks alcohol?