1.7 - Smoking

1.7 - Smoking tobacco and cannabis
Today's plan
1. HW review
2. Discuss tobacco smoke
3. Review measures to tackle smoking
4. Why do people smoke?
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Slide 1: Tekstslide
BiologieMiddelbare schoolvwoLeerjaar 2

In deze les zitten 10 slides, met tekstslides en 1 video.

Onderdelen in deze les

1.7 - Smoking tobacco and cannabis
Today's plan
1. HW review
2. Discuss tobacco smoke
3. Review measures to tackle smoking
4. Why do people smoke?

Slide 1 - Tekstslide

Composition of tobacco smoke
Notes:
1. Nicotine - substance that gets people addicted
2. Tar - in the tobacco leaves, released when smoking
            - damages cilia
3. Carbon monoxide - gas released while smoking
            - blood is less able to transport oxygen

Slide 2 - Tekstslide

Smokers in the NL from 1970-2010

Slide 3 - Tekstslide

E-cigarettes, vape pens 
and hookahs
E- cigarettes - Evaporated liquid that contains 
nicotine and flavouring
Vape pen - a form of e-cigarette but does not always contain nicotine : can contain metals, nitrogen compounds which can cause heart problems and cancer
Hookah- 30 times more carbon monoxide released - can lead to carbon monoxide poisoning

Slide 4 - Tekstslide

So why do people smoke?
  • Smoking is an addiction
  • People become psychologically dependent
  • Habituation - more and more nicotine needed
  • People become physically dependent
  • Withdrawal symptoms

Slide 5 - Tekstslide

Slide 6 - Video

Measures to tackle smoking
- increasing the price of cigarettes
-warning signs on packets of cigarettes
-no advertising
-tobacco may not be sold to people
 under the age of 18

Slide 7 - Tekstslide

Cannabis
  • Come from the hennep plant, Cannabis sativa
  • Contains psychoactive substance THC - tetrahydrocannabinol
  • Found in the female flower of the plant
  • Can be smoked, eated, or inhaled

Slide 8 - Tekstslide

Effects of cannabis

Slide 9 - Tekstslide

HW: Read 1.7 - Smoking tobacco and cannabis

Do Qs 1 t/m 5

Slide 10 - Tekstslide