Microorganisms such as yeasts, molds, and mushrooms; some cause infections in humans.

Plants that grow in soil and require sunlight.

Animals that live in water and have gills.

Bacteria that are beneficial for digestion.

The use of proper movements and posture to prevent injury and maintain balance while moving or lifting.

A technique for improving flexibility and strength through yoga and stretching exercises.

A method of lifting heavy objects using only the arms without engaging the legs.

A strategy for managing stress through deep breathing and meditation.

The study of human behavior in social settings.

The science of designing the workplace, tools, and tasks to fit the worker and promote safety and efficiency.

A method of improving physical fitness through exercise.

The process of evaluating employee performance in the workplace.

The process by which a disease is transmitted from one person to another.

The sequence of events that allows an infection to spread, including the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.

A method of preventing infections through vaccination and hygiene practices.

The classification of diseases based on their symptoms and causes.

Tiny living organisms, including bacteria, viruses, fungi, and protozoa, that can only be seen under a microscope.

Large visible organisms that can be seen with the naked eye.

Organisms that are harmful and cause diseases only.

Organisms that can live in extreme environments, such as deep-sea vents.

Single-celled microorganisms that can be beneficial, harmless, or cause disease.

Multicellular organisms that are always harmful.

Complex organisms that require oxygen to survive.

Organisms that can only be seen with the naked eye.

A U.S. federal agency that monitors and promotes public health, disease prevention, and safety guidelines.

A private organization focused on health insurance.

An international body that regulates food safety standards.

A non-profit organization that conducts medical research.

Microorganisms that cause disease

Microorganisms that do not cause disease and may even be beneficial

Microorganisms that are always harmful

Microorganisms that only affect plants

The process of completely sterilizing surfaces and equipment.

The process of destroying most microorganisms (but not all spores) on surfaces or equipment.

The process of cleaning surfaces with soap and water.

The process of preventing the growth of microorganisms on surfaces.