Parts of The Immune System Flashcards
Is a collection of cells, organs, and processes that protect the body against foreign substances
The Immune System
Is the body’s ability to fight certain illnesses, damages, and diseases caused by disease-causing agents
Immunity
The body distinguishes objects that are…?
“self” and “non-self”
Example of an AutoImmune disease
Alopecia
is a substance that can trigger an immune response
antigen
is a disorder where the body may recognize its own cells as “non-self”
Autoimmune disease
are the soldiers of the immune system.
Leukocytes
-Can be part of a virus, a parasite, a bacterium, or a fungus.
-Can elicit an immune response within the host.
Antigen
is an immune response from harmless substances (dust and cat hairs).
Allergies
Major types of leukocytes
lymphocytes
basophils
eosinophils
neutrophils
monocytes
carry the major responsibility of defending the body against antigens.
Lymphocytes
Three major types of lymphocytes
T-cells
B-Cells
Natural Killer Cells
This type of Lymphocyte secrete antibodies
B-Cells
This type of Lymphocyte attack infected body cells
T-cells
This type of Lymphocyte protect the body against viruses, tumors, and other invaders
Natural Killer Cells
travel where the invaders are detected and considered phagocytic cell
Neutrophils
are responsible for fighting parasites, viruses, and allergies
Eosinophils
play a role in allergic reactions
Basophils
are responsible for destroying pieces of invaders
Monocytes
these carry lymph which contains the white blood cells
Lymph vessels
are bean-shaped clusters cells capable of trapping antigens
Lymph nodes
————– carry lymph to the nodes while ————- carry them away from the nodes
Afferent lymph vessels ,
efferent lymph vessels
are parts of the body found in the respiratory tract
tonsils
Types of tonsils
adenoids
Palatine tonsils
Lingual tonsils