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Unit 8: Health & the Immune System

Across
Unicellular prokaryotic microorganisms are the cause of diseases such as Salmonella, pneumonia
Someone who has the pathogen, but shows no symptoms of the disease
Unicellular eukaryotic microorganisms that are the causes of diseases such as malaria
A type of white blood cells
Recognize antigens and destroy them
Produce antibodies specific to the antigen that activated them
Biological preparation made from weak or dead forms of a virus or bacteria
Down
The pathogen that causes a disease: a virus, bacteria, fungi or protozoa
Type of disease caused by pathogens that enter the body, reproduces and causes an infection
A disease that is continually present in a certain region or population