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1. Bacteria One-celled microorganisms having both plant and animal characteristics
some
are harmful and some are harmless.
2. Direct Transmission of blood or body fluids through touching (including shaking
Transmis- sion hands),kissing,coughing, sneezing, and talking.
3. Indirect
Transmission of blood or body fluids through contact with an intermediate
trans-
cont- aminated object, such as a razor, extractor,nipper, or an environmental
mission
surface.
4. Infection Invasion of body tissues by disease-causing pathogens.
5. Germs Nonscientific synonym for disease-producing organs
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6. Microorganism Any organism of microscopic to submicroscopic size.
7. Parasites Organisms that grow,feed, and shelter on or in another organism
(referred to as the host),while contributing nothing to the survival of
that organism. Parasites must have a host to survive.
8. Toxins Various poisonous substance produced by some microorganisms
(bacteria and
viruses).
9. Virus A parasitic submicroscopic particle that infects and resides in cells of
biological
organisms. A virus is capable of replication only though taking over the host cell's
reproductive function.
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10. Cocci Round shaped, alone
11. Staphylococci Clusters like bunches of grapes, may not cause infection in healthy human
Causes pustules, and boils.
12. Streptococci Pus-forming arranged in curved lines like string of beads. Causes strep
throat and blood poisoning.
13. Diplococci Spherical bacteria that grow in pairs. Causes pneumonia.