smoking and alcohol

Question 1

What type of drug is alcohol?

Answer 1

Depressant - reduces activity of nervous system

Question 2

Positive effect of alcohol?

Answer 2

Feel less inhibitedMore sociable, relaxed

Question 3

Negative effect of alcohol

Answer 3

1. Poison, as broken down by enzymes produces toxinsOver time kills off liver cellsScar tissue formsStops blood reaching liverLiver can’t clean blood - damages rest of bodyCirrhosis2. Dehydration3. Drunk - impaired judgement, poor balance and coordination, slurred speech, sleepiness

Question 4

What happens when you smoke?

Answer 4

Nicotine released - addictiveCarbon monoxideTarParticulatesCause illness

Question 5

Effect on body of smoking

Answer 5

1. Heart disease - carbon monoxide reduces oxygen in blood, heart muscle doesn’t get enough oxygen - heart attack2. Cancer - tar contains carcinogens - cause mutations in DNA, cell division out of control, causes malignant tumor3. Smokers cough - severe loss of lung function - emphysemaSmoking damages cilia on epithelial tissue lining of trachea, bronchi, bronchioles. Mucus produced, can’t be cleared, smokers cough. Lungs lose elasticity.4. Low birth weight in babies. Low oxygen in mothers blood, deprives foetus of oxygen, small baby.