B1: Drugs and You

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GCSE Biology Mindmap am B1: Drugs and You, erstellt von emmcharlotte_x am 20/04/2015.
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Zusammenfassung der Ressource

B1: Drugs and You
  1. Types of Drugs
    1. Class A are most dangerous and Class C are least dangerous.
      1. Depressants- alcohol, solvents, temazepam.
        1. Block transmission of nerve impulses across synapse by binding with recepetor molecules in membrane of receiving neurone.
        2. Painkillers- aspirin, paracetamol
          1. Stimulants- nicotine, MDMA, caffeine
            1. Cause more neurotransmitter substances to cross synapses.
            2. Performance Enhancers- anabolic steroids
              1. Hallucinogens- LSD
              2. Effects of Smoking
                1. Cigarette smoke contains many chemicals the stop cilia moving
                  1. Cilia are found in the epithelial lining in the trachea, bronchi and bronchioles.
                    1. Smokers cough- dust and particles in cigarette smoke collect and irritate the epithelial lining.
                      1. Mucus not moved by Cilia
                    2. Effects of alcohol
                      1. measured in units
                        1. Increases reactions times and risk of accidents.
                          1. Liver is damaged when breaking down alcohol- Liver Cirrhosis
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