What are sources of drugs used in
medicinal systems?2.Entire organs: Senna, Clove, Fennel, Linseed, Thyroid gland.Crude drugs:
Drug that are obtained from natural sources like plants,
animals, and minerals.Crude drug or raw drug:
It is the plant or animal material before it is subjected to extensive
processing or modification.3.Mineral: Chalk; Kaolin, Talc.