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Science, Cafe, image, alcohol, image, image, image, image - Coggle Diagram

- - - - Example:Our skin sends infomation to our our brain when whe have cold
    - - For example the arterial pressoure, respiration and heartbeat to do this autonomic reflexes are used
- - - - Withdrawl occurs when the substance effects decrease and a person needs another dose to feel well again
        
        Recreational drugs can be classified as depressants or stimulants
        
        Stimulants speed up messages and make you feel more alert.
        They can damage your hearth and liver. they also cause loss of memiry and concentration and bring and a risk of mental illness , but some can be illegal, like cocaine, ectasy and more.
        
        Depressants slow down messages along the nerves and the brain these effects do that the body slow down and it can cause hallucinations .