cannabis sativa is an annual plant that grows wild in many temperate parts of the world.It is usually smoked as a cigarette(joint,nail),or in a pipe(bong).It also smoked in blunts,which are cigars that have been emptied of tobacco refilled with marijuana,often in combination with another drug.Use also might include mixing marijuana in food or breeing it as a tea.As a more concentrated resinous from called hashish and,as a sticky black liquid ,hash oil.Marijuana smoke has a pungent and distinctive ,usually seeet-and-sour odor.These are countless street terms for marijuana,including pot,mary jane,herb,weed,grass,widow,ganja,hash,as well as terms derived from trademark varietiesof cannabis such as bubble gum®,northern lights®,juicy fruit®,afghani #1®,and a number of skunk varieties.
The main active chemical marijuana is THC(delta 9 tetrahydrocannabino).The membranes of a certain nerve cells in the brain contain protein receptors that bind to THC.Once securely in place,THC kicks off a series of cellular reactions that ultimately lead to the high that users experience when they smoke marijuana.