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Infection/Detection Key Terms

Bacteria Tiny, one-celled organisms that get nutrients from their environment in order to live.
Bone Marrow The tissue found inside your bones that is responsible for making blood cells, including white blood cells
Cilia Short, thin hairs located inside the nose and ears that capture and try to push out things the body does not want.
Communicable Disease An infectious disease that can be spread from person to person or from an animal to a person. The spread can occur by direct or indirect contact with an affected individual
Constraint A limitation or a restriction such as time, materials, or size.
Contagious When a person can spread their infection to someone else. Also called infectious
Control Group The group in a experiment show purpose is to be used for comparison.
Criteria Guidelines or rules used to judge or make a decision about something.
Decomposer Organisms that break down dead or decaying material.
Experiment A scientific test in which you perform a series of actions in order to learn information about the world around you.
Fever An important immune response, a rise in body temperature that helps kill off unwanted bugs or bacteria.
Germ A microorganism that can make a person sick. The four major types of germs are bacteria, viruses, fungi, and protozoa.
Immune System The system in the body responsible for identifying and fighting off unwanted bacteria, viruses, and other bugs.
Infection When germs get inside your body. multiply, and make you sick.
Liver An organ that helps filter germs and detoxify poisons.
Microorganism Very small organism, such as bacterium, that cannot be seen with the naked eye.
Mucus A sticky, gooey substance found in the nose and other parts of the body that traps bacteria and pushes it out of the body.
Non-communicable Disease A disease that cannot be spread from person to person.
Scientific Inquiry Process A process that scientists use to explore observations and add questions.
Scientist A person who asks questions, makes observations, and investigates ideas in order to acquire knowledge and/or solve problems.
Spleen An organ located on the left side of your abdominal area near your stomach. It is about the size of your fist and has many jobs, one of which is to assist the immune system by producing some of the white blood cells.
Tonsils Lymph glands located in the throat that help filter viruses and bacteria that enter through the mouth and nose.
Virus infectious nonliving agents much smaller than bacteria that invade cells and cause diseases such as the common cold and measles
White Blood Cell (also called Leukocyte A type of blood cell that is part of the immune system; it's job is to help protect the body against sickness. There are several types of white blood cells such as eosinophils, basophils, lymphocytes, macrophages, and neutrophils, all of which have unique
Skin acts as a barrier against invading organisms.
Stomach break down invading germs that enter their way into the body with our food.
Airborne A disease transported by air.
Vector An organism that carries a disease.
Environmental caught from the environment
Genetic Passed through the family.
Vehicle Transmitted in water, food and soil
Created by: rdamato05



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