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INNATE (NATURAL) IMMUNITY
line of defense
- Innate Immunity provides physical and chemical barriers to invading pathogens (any disease-producing agent, especially a virus, bacterium) and protects against the external environment.
WHAT IS THE INNATE IMMUNITY COMPOSED OF?
The skin, mucous membranes, cilia, stomach acid, tears,saliva, sebaceous glands, and secretions and flora of the intestine and vagina.
ADAPTIVE (ACQUIRED) IMMUNITY
line of defense
When the innate fails to protect, the adaptive immunity comes in to basically rescue and assists in the battle against the pathogens.
- Adaptive immunity provides a specific reaction to each invading antigen and has the unique ability to remember the antigen that caused the attack.
WHAT IS THE ADAPTIVE IMMUNITY COMPOSED OF?
Specialized cells and tissues, including;
- - The Thymus
- - The Spleen
- - Bone Marrow
- - Blood
- - Lymph
Any substance that can stimulate the production of antibodies
Basically a substance that is recognized by our body that can trigger an immune (protection) response
WHICH CELLS ARE OF THE IMMUNE SYSTEM?
- Macrophages (any phagocytic cell involved in defense against infection)
PHAGOCYTE (TYPE OF MACROPHAGE)
-Any cell, as a macrophage, that ingests foreignparticles, bacteria, and cell debris.
- Phagocytes engulf and destroy microorganisms that pass the skin and mucous membrane barriers.
LYMPHOCYTES (TYPE OF MACROPHAGE)
Lymphocytes include the T and B Cells
One of two forms of immunity that respond to antigens, such as bacteria and foreign tissue
It is mediated by B CELLS
B Cells produce antibodies and protect against bacteria, viruses, and soluble antigens.