generate questions: The study of the molecular and cellular components that comprise the immune system, including their function and interaction, is the central science of immunology. The immune system has been divided into a more primitive innate immune system and, in vertebrates, an acquired or adaptive immune system. The latter is further divided into humoral (or antibody) and cell-mediated components.
What is the basic, primitive part of the immune system known as? {sep_token} Vertebrates also have what type of immune system component? {sep_token} What is one type of adaptive immune system component? {sep_token} Name the other type of adaptive immune system component? {sep_token} The total immune system is generally composed of what types of structures?