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Comp Sci 1 Immune System

Across
a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.
any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds
something that infiltrates another living thing, 4 classes: bacteria, viruses, fungi, and parasites
type of white blood cell, of the immune system, that engulfs and digests cellular debris, foreign substances, microbes, cancer cells, and anything else that does not have the type of proteins specific to healthy body cells on its surface in a process called phagocytosis
Down
anything that can produce disease
system of many biological structures and processes within an organism that protects against disease
cells help fight infections by attacking bacteria, viruses, and germs that invade the body
small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea
substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to identify and neutralize pathogens such as bacteria and viruses.