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sweat – n. the fluid excreted from the sweat glands of the skin : sweat – v. to produce a clear liquid from your skin when you are hot or nervous
negative – adj. not showing the presence of what is looked for or suspected to be present
sample – n. a small amount of something that gives you information about the thing it was taken from
data – n. facts or information used usually to calculate, analyze, or plan something
odor – n. a particular smell
veterinary – adj. relating to the medical care and treatment of animals
detect – v. to discover or determine the existence, presence, or fact of : detection – n. the act or process of discovering, finding, or noticing something
conduct – v. to plan and do (something, such as an activity)
positive – adj. showing the presence of what is looked for or suspected to be present
