Mucous Membrane - The moist linings of body passages and internal cavities involved with absorption and secretion of substances.⏎
Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎
Morbidity - The relative occurrence of a disease or a condition that causes illness.⏎
Lipid - A broad group of molecules including fats and waxes that are insoluble in water and are an important part of living cells.⏎
Habitat - The specific geographical area or physical environment that is inhabited by an organism or a population of organisms.⏎