Mucous Membrane - The moist linings of body passages and internal cavities involved with absorption and secretion of substances.⏎
Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Interferon - A type of protein produced by cells of the immune system that help keep viruses, bacteria, and cancer cells from growing.⏎
Lipid - A broad group of molecules including fats and waxes that are insoluble in water and are an important part of living cells.⏎
Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎