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.
Quick Answer. While most snakes don't care for their young, a study at UC Berkeley observed that female black rattlesnakes remain with their young until the first shed is completed, and African rock pythons defend their young for over four months after hatching. Many snakes remain to defend their clutches.