Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Intravenous - The use of veins through which medications and solutions are administered.⏎
Infection - The entry, establishment, and replication of pathogens inside a host organism.⏎
Incubation Time - The period of time between exposure to an infectious agent and the appearance of symptoms of the infection or disease it causes.⏎
Metabolism - The sum total of chemical reactions that occur within a living cell both to build new molecules within the cell and break down and assimilate sources of energy for the cell.⏎