Cannabis sativa is an annual herbaceous plant in the Cannabaceae family. People have cultivated this herb throughout recorded history as a source of industrial fibre, seed oil, food, recreation, religious and spiritual enlightenment, and medicine. Each part of the plant is harvested differently, depending on the purpose of its use. Cannabis chemical constituents including about 100 compounds responsible for its characteristic aroma. These are mainly volatile terpenes and sesquiterpenes. Tetrahydrocannabinol (THC), Cannabidiol (CBD), α-Pinene, Myrcene, Trans-β-ocimene, α-Terpinolene, Trans-caryophyllene, α-Humulene, Caryophyllene-oxide. Its chiefly used as caged-bird feed, is a valuable source of protein. The flowers (and to a lesser extent the leaves, stems, and seeds) contain psychoactive and physiologically active chemical compounds known as cannabinoids that are consumed for recreational, medicinal, and spiritual purposes.