Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Immunity the body’s ability to resist a disease
Antigen any foreign object such as dust, bacteria, or virus that enters the body
Antibody proteins in the blood or on cell membranes that help identify and destroy antigens
Macrophage large cells that seek out, engulf and destroy cells.
Agglutinate the clumping and destruction of antigens by the immune system
Allergy a rapid overreaction to an antigen that is not normally harmful.
Active Immunity the body produces its own antibodies to attack a particular antigen
Passive Immunity the body is given antibodies to attack a particular antigen, e.g. fetal immunity
Lymphocytes the cells of the immune system including T-Cells, B-cells, and macrophages.
B Cells made in the bone marrow, make antibodies
T Cells made in the thymus, have the ability to kill pathogens
Pathogen any disease carrying organism like a bacteria, virus, or parasite
Antibiotics a class of drugs used to fight bacterial infections
Virus a small, parasitic pathogen that causes disease
Toxin a poisonous chemical produced by a pathogen
Autoimmune disease the immune system attacks cells in its own body
Diabetes Mellitus an autoimmune disease where sugar is not taken out of the blood
Multiple Sclerosis an autoimmune disease that attacks the nervous system
Rheumatoid Arthritis an autoimmune disease that attacks the joints
HIV the virus that causes AIDS
AIDS a viral infection that leads to other infections and eventual death
Created by: Room224