Respiratory Tract - The part of the anatomy that has to do with the passage of air and includes the nose, larynx, trachea, and lungs.⏎
Protozoa - A taxonomic group of single-celled microorganisms that live in almost every kind of habitat and include some pathogenic parasites of humans and other animals. ⏎
Reproduction - The process by which parent organisms create new offspring by either sexual or asexual means.⏎
Recombinant Technology - The process that allows technicians to create artificial pieces of DNA in which two or more DNA sequences, often from separate organisms, are combined in ways that would not normally occur naturally.⏎
Outbreak - An unexpected increase in the incidence of a particular disease over a given time period and geographic range. A general term that may refer either to an epidemic or a pandemic.⏎