The Immune System Crossword

while many medical advances have been made to safeguard against infection by.
pathogenic microorganisms, such as bacteria, viruses are caused by.
To function properly, this must detect a wide variety of agents, known as pathogens.
These mechanisms include physical barriers such as skin, chemicals in the blood is.
a localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.
less technical term for leukocyte.
a type of cell within the body capable of engulfing.
a lymphocyte not processed by the thymus gland.
a blood protein produced in response to and counteracting.
a lymphocyte of a type produced or processed by the thymus.
the immunity that results from the production of antibodies by the immune system.
These antigens are different from those on the surface of bacteria.