Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

Immune System

The part of the lymphatic system that gives us our immunity.

Pathogenic Bacteria

Bacteria that produces sinus infections, infected cuts, etc.

Pathogenic Fungi

Cause athlete's foot, thrush on the tongue, vaginal yeast infections, etc.


Examples: pinworms, round worms, tapeworms, etc.


A chunk of either DNA or RNA that is wrapped around its own protein coat.


Our own cells that have been damaged and can no longer control their functions.


Harmful chemicals that are foreign to the body.

Innate Immunity

An immune response that is the same regardless of the pathogen or toxin encountered.

Acquired Immunity

An immune response targeted at a specific pathogen or toxin.

Nonspecific Immunity

Another word for innate immunity; it does not seek out a specific pathogen or toxin but instead just tries to protect us from everything.

Specific Immunity

Another word for acquired immunity.

Gastric Juice

A chemical found in that stomach that kills off most pathogens through swallowing our own mucus (nonspecific immunity).


An enzyme found in tears; it breaks cell walls and kills bacteria that gets in our eyes.


The most common bacterial infection of the eye.


A nonspecific immunity, urine washes out the urinary tract, protecting it from bacterial infection.

Cervical Mucus

An combination of specific and nonspecific immunity against infection.

Symbiotic Organisms

The first line of innate immunity; they "squeeze out" any pathogens or toxins that happen to make it passed the gastric juice in the stomach.


A series of 20 plasma proteins activated by foreign cells or antibodies to those cells. They 1) lye bacteria, 2) promote phagocytosis, and 3) promote inflammation.


Proteins secreted by cells infected with a virus. These proteins stimulate nearby cells to produce virus-fighting substances.


"Involved with fighting cells"


"does nothing against living cells"

White Blood Cells

Non-specific; attack potentially any bacterium or virus.

Natural Killer Cells

Lymphocytes that attack tumor cells or virus-infected cells.


Swelling up of an infection; results in an increased blood flow to the injury.


Causes inflammation; blood vessels near an infection or injury get larger in order to increase blood flow.

Local Inflammation

Happens when infections are being fought in one are of the body.

Systemic Inflammation

Happens when infections are being fought all over the body.


Chemicals which promote fever by acting on the hypothalamus.

Humoral Immunity

Immunity which comes from antibodies in blood plasma.

Cell-Mediated Immunity

Immunity which comes from the actions of T-lymphocytes.


Responsible for cell-mediated immunity.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording