A variable that depends on the state of another variable.

A microscopic organism such as a bacterium, virus, or fungus.

The use of practices and procedures to prevent contamination from pathogens.

Organisms such as yeasts or molds that reproduce quickly in moist, humid environments.

the number of breaths taken in one minute

A proposed explanation based on some evidence and used as a starting point to investigate further.

A group or individual used as a standard of comparison for checking the results of a survey or experiment.

A way to carefully plan experiments to investigate scientific questions or problems.

A variable that does not depend on the state of another variable.

Single-celled organisms that do not rely on a host.

Gelatinous substance that provides the proper nutritional environment to promote the growth of microorganisms.

A medicine that limits the growth of or destroys microorganisms.

The identification of an illness or other problem by examination of the medical evidence.

Signs of disease or injury.

Tiny infectious agents that can only multiply when they are inside a host, the living cells of plants, animals, or bacteria.

tiredness

Measurements, specifically pulse rate, temperature, respiration rate, and blood pressure, that indicate the state of a patient's essential body functions.

The time between contact and onset of illness.