Marijuana, the most often used illegal drug in this country, is a product of the hemp plant, Cannabis sativa. The main active chemical in marijuana, also present in other forms of cannabis, is THC (delta-9-tetrahydrocannabinol). Of the roughly 400 chemicals found in the cannabis plant, THC affects the brain the most.
Cats 'vibrate' when marking territory-spayed cats can also 'dry' spray. Spayed male cats urine doesn't smell. They swish their tales as a sign of annoyance or anger. If the tip of the tail 'trembles', it's quite often a sign of being 'unsure' about something. Source(s): Cat owner.
Understanding Cat Body Language: The Tail. Your catâs tail is like a big old apostrophe at the end of her body that puts a fine point on affection, aggression, fear and happiness. One of the most primal tail movements is the violent back-and-forth swish, sometimes called a Sword Tail. Whether itâs a wild cat stalking a zebra, or a house cat stalking a gopher, sheâll swish her tail to prompt the prey to move, which allows the cat to zero in for the attack.