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Write the source and the effect on the human body of the following drugs: (i). Morphine(ii). Cocaine(iii). Marijuana |
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Answer» (i) Morphine: It is obtained from poppy plant Papaver somniferum. It binds to specific opioid receptors present in central nervous system and gastrointestinal tract. (ii) Cocaine: It is obtained from coca plant Erythroxylum coca. It interferes with the transport of the neurotransmitter dopamine. (iii) Marijuana: It is obtained from Cannabis sativa. It affects the cardiovascular system of the body. |
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