2. KELOMPOK II AJI RACHMATULLAH AJI WIBOWO AFRIZAL INDRIANTO PRADITA FACHRUL RAMADHAN AKHMAD SIDIK

4. Alcoholic drinks contain alcohol ( 酒 精 ) from 3 to 60%.

5. - The amount of alcohol (% by volume) in alcoholic drinks: Drinks Amount of alcohol Wine Whisky Beer Spirit Brandy Vodka 3 to 8 % 8 to 18 % 30 to 60 % 12 to 20 %

6. - After we drink alcohol, => stomach and intestines absorb alcohol rapidly, absorb alcohol rapidly, => => alcohol enters the bloodstream, => => alcohol is transported to different parts. E.g. heart, brain, muscles affects the functions of cerebrum and cerebellum

7. Physiological effects from alcohol 抑制劑 - Alcohol is a depressant ( 抑制劑 ). => => affect senses => => lose control of speech, movements and emotions.

8. - Effects of alcohol in blood: – 30 mg feel happy, relaxed 4 – 40 mg 60 mg – 60 mg lose control of speech, movements and emotions slow in movements Conc. of alcohol per 100 cm 3 blood more than 2 cans of beer

9. 60 mg – 60 mg lose control of speech, movements and emotions – 100 mg feel sleepy and tired, lose control Conc. of alcohol per 100 cm 3 blood - Effects of alcohol in blood:

10. Conc. of alcohol per 100 cm 3 blood – 100 mg feel sleepy and tired, lose control 200 mg – 200 mg lose control of urination and defecation 300 – 400 mg – 300 – 400 mg begin to lose consciousness 500 mg – 500 mg completely lose consciousness or even resulting in death or coma - Effects of alcohol in blood:

11. - Liver removes alcohol from blood. - Drinking too much alcohol at one time, Effects of alcohol on our health p.122 => liver cannot remove alcohol completely. liver - Dead brain cells cannot function again. => alcohol damages the brain. => causes loss of memory and emotional problems.

12. - If liver has to remove alcohol for long, => it may lead to liver cancer! Effects of alcohol on our health - Alcohol stimulates the mucus lining of stomach, => causing bleeding and stomach ulcer!

13. ‘No drunk driving’ as suggested by the government poster Every year over 100 people are injured or die of drunk driving in HK.

14. Why would drunk driving lead to traffic accidents? p.123

15. - Legal limit in HK: 50 mg of alcohol per 100 cm 3 blood Commit the ‘drunk driving’ offence if the above limit is exceeded. or 22  g of alcohol per 100 cm 3 blood

16. - The above limit will be exceeded if you take the following within ONE hour: > 2 cans of beer (about 600 cm 3 ) > 2 glasses of wine (about 250 cm 3 ) > 2 pints of whisky (about 50 cm 3 )

17. p.123 Breathalyzer - If a driver is suspected of drunk driving, the police will ask him/her to do a test using a breathalyzer. check the alcohol concentration in a breath

18. - The breathalyzer contains an orange chemical. The more alcohol in the breath, the greener the chemical will become. reacts with the alcohol in driver’s breath and turns green.

19. How does a breathalyzer work? p.123 Experiment Centre 11.10 What happens to the colour of the acidified dichromate solution when the suction pump is turned on for a while? The set-up below demonstrates the working principle of a breathalyzer. to suction pump dilute acidified dichromate solution cotton wool soaked with alcohol

20. p.125 Effects of drugs on our senses Drugs ( 藥物 ) => => change one or more body functions. E.g. - relieves stomach-ache. AntacidAntacid Sedative ( 鎮靜劑 ) - slows down the activities of nervous system, thus removing worries and emotional problems.

21. What drugs do you think the following drinks contain? caffeinecaffeinealcoholalcohol

22. - Many drugs can be harmful and should be prescribed by a doctor. E.g. > slow down functioning of brain, thus causing sleepy feeling. Sleeping pills > we become addictive if taking them for a long time.

23. AspirinAspirin PanadolPanadol > stimulates the stomach and may even cause bleeding. > no side effects generally, but may damage liver and kidneys if taking too much.

24. Drugs can harm a person’s health or even kill him/her. - Using drugs in a wrong way is called drug abuse ( 濫用藥物 ). p.126

25. Examples of commonly abused drugs: - sleeping pills - LSD ( 迷幻藥 ) - morphine ( 嗎啡 ) - cannabis ( 大麻 ) - heroin ( 海洛英 ) - methylamphetamine ( 俗稱冰 ) - Ecstasy ( 俗稱搖頭丸 ) Know more about them in library or from internet. p.126

26. p.126 Drug abuse  a health problem - Drugs can be taken orally, smoked, sniffed or injected into the blood. => => get into the blood and carried to the brain. => => affect sensations badly. => => more likely to have accidents.

27. p.126 Drug abuse  a social problem - Many drugs are addictive. => => become dependent on them. => => need larger amounts to feel satisfied. => => no longer in control of lives. => => make families and friends sad. => => commit crime to get money.

28. Sniffing solvents can be dangerous.

29. Guess what will happen! Consequences of sniffing solvents Solvents will pass into lungs, then to - Solvents will pass into lungs, then to blood and will be carried to the brain. blood and will be carried to the brain. => => affects sensations and breathing. => => becomes unconscious

30. Design slogans p.127 Design slogans to persuade young people not to drink alcohol, take drugs or sniff solvents.

31. Activity Corner Pp.128 How to say ‘NO’? Jimmy goes to a party with his friends. At the party, someone offers him some LSD pills. Jimmy knows about the harmful effects of drug abuse. He wants to say ‘NO’ but does not know how to put it into words. Can you help him?

32. Below are three possible ways. Help Jimmy by filling in the speech bubbles. ‘LSD? It’s addictive. Not for me!’ 1 To say ‘NO’ directly and firmly.

33. ‘Excuse me. I’m not feeling well. I’ve got to go to the toilet.’ ‘Why drugs? I’ve another idea. Let’s go to Twins’ concert.’ 2 To say ‘NO’ using an excuse. 3 To say ‘NO’ with a counter proposal.

34. Which of the above ways do you think is the most appropriate way to say ‘NO’? Why? Which of the above ways do you think is the most appropriate way to say ‘NO’? Why? ‘Excuse me. I’m not feeling well. I’ve got to go to the toilet.’ ‘Why drugs? I’ve another idea. Let’s go to Twins’ concert.’ ‘LSD? It’s addictive. Not for me!’ 2 excuse 1 directly and firmly and firmly 1 directly and firmly and firmly 3 counter proposal