The correct option is C Flowers
Chemical substances that affect the physiological or psychological functions of an individual when consumed are called drugs.
These are obtained from natural sources or prepared artificially.
The drugs obtained from natural sources are processed or modified for consumption.
Morphine is one of the natural plant alkaloids extracted from the latex of the poppy plant, Papaver somniferum.
Morphine is a sedative and painkiller which is usually prescribed by doctors after surgery.
Acetylation of morphine produces a very potent opioid called heroin. Hence, heroin is chemically called diacetylmorphine which is a white, odourless, bitter crystalline compound.
Heroin is commonly called smack.