Divergent Boundary These boundaries form the global mid-ocean ridge system which is the largest mountain chain on Earth. Plate Tectonics Find out lots of fascinating facts and interesting trivia on plate tectonics.
Marijuana comes from the hemp plant Cannabis sativa. It has an active ingredient called THC that makes you feel high. THC and other compounds in marijuana can also affect the way your body works. Most people smoke the plant's dried leaves, flowers, stems, and seeds. But marijuana can also be mixed into food (like brownies, cookies, and lollipops), brewed as a tea, or inhaled with a vaporizer.
What Marijuana Does to Our Brains in the First Couple of Hours. The video above from ASAP Science explains how marijuana acts on our brains shortly after smoking or ingesting it. Cannabis contains at least 60 types of cannabinoids, chemical compounds that act on receptors throughout our brain.