Practice 3,493 free Class 12 Zoology - 13. Human Health and Disease questions with answers and step-by-step solutions.
Nicotine:-
Opioids are the drugs which bind to specific opioid receptors present in our CNS and GIT.
Heroin, commonly called smack is chemically......,
which is white, odourless, bitter crystalline compound, obtained by.......of morphine.
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