1 Symptoms are due to the effects of excess acetylcholine on nicotinic and muscarinic acetylcholine receptors in the CNS, at neuromuscular junctions, and in the sympathetic, and parasympathetic nervous systems. 2  Nicotinic and muscarinic receptors have different. 3  Functions. 4  Locations.
The reason snake repellents don t work is because there is nothing intimidating to a snake about the smell of naphthalene or sulfur. Even if there were, snakes do not smell the way people traditionally assume they do. Snakes use smell as a method of information.
When a venomous snake encounters a human or a pet, its first instinct is to flee not to bite. The purpose of snake venom is to allow the snake to catch small prey items. It will use it for self-defense only when necessary. The venom that the snake produces is stored in sacs located behind the eyes.