Toxins are poisonous chemicals, which may or may not be produced as the secretion of cells (and if they are, the cells may or may not be part of a multicellular organism).
multicellular means to have more than one cell. For example, we are multicellular, but on the other hand if something only has one cell, then it is considered unicellular
Types of BIOTOXINS (more relevant than toxins because they refer specifically to biologically produced toxins, such as snake venom) 1. Neurotoxin (damages nervous system) Found in Elapid...