The plant I chose is called Cannabis sativa. It is a member of the Cannabis genus and was originally classified in 1753 by Swedish botanist, Carl Linnaeus. However, Cannabis plants are believed to have existed for centuries – buried cannabis seeds have been found in Siberian burial grounds dating back to 3,000 B.C. More recently, it has become widely known for its psychoactive properties. The plant contains over 500 compounds, and differences in chemical composition of Cannabis sativa may cause different reactions in humans. The plant’s main constituent is tetrahydrocannabinol (THC), which is a member of the cannabinoid class of chemical compounds. These substances act on cannabinoid receptors in body cells, which alter neurotransmitter releases in the brain. This deviance from normal brain communication disrupts several mental and physical functions, commonly leading to a state of euphoria, heightened sensory perception, altered perception of time and increased appetite.