.
when homeostasis is not in balance
the body has disease
white blood cells are produced by
lymphatic organs to fight pathogens invading body.
Nonspecific defense (fast acting response)
body protects itself in the same way regardless of what is invading it
What is the function of Lymph nodes?
filter lymph
What is the spleen's function?
filters blood cells & destroys worn out blood cells, engulfs debris
What are antibodies?
proteins that recognize and bind to antigens because they fit together
What is lymph made of?
White blood cells, water, and dissolved substances
what are the 5 types of white blood cells
neutrophils, eosinophils, basophils, monocytes, lymphocytes
what are the 3 types of immune divisions?
nonspecific, specific, and acquired immunity.
What do antibodies do?
mark the pathogen for destruction
What is the red bone marrow function ? (long & flat bones)
stem cell production & creates WBCs
Why can WBCs recognize the antigen?
because they have antibodies
What do Eosinophils do?
deal with parasitic infections
pathogens
things that infect you & make you sick, contain anitgen
What is the Thymus function?
allows body to reject foreign tissues or invading pathogens
What do Basophils do?
involved in allergic reactions
what are the 9 lymphatic organs?
red bone marrow, thymus, lymph nodes & vessels, tonsils & adenoids, spleen, appendix & peyers patches
What are the 2 defense systems for foreign?
nonspecific & specific
What do Lymphocytes do?
deal with specific invaders
What do Nuetrophils do?
eat & destroy pathogen
What is immune systen?
the bodys defense system against disease
What is a lymph?
excess tissue fluid carried by lymphatic vessels
What is an antigen?
chemical markers (name tag) that tell you what the pathogen is
What is the function of Lymph vessels?
transport lymph from tissue & nodes back to heart
What is the function of Tonsils and Adenoids?
Trap and remove pathogens and other foreign materials that enter the mouth or nose