Red bone marrow, but they mature in the thymus, that is why they are called T cells
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Describe Innate immunity
An immune response that is the same regardless of the pathogen or toxin encountered
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What are Lymph nodes?
Encapsulated masses of lymph tissue found along lymph vessels
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What is M.A.L.T.?
Mucosa associated lymphoid tissue:concentration of lymphatic tissue with no clear boundaries, also called diffuse lymphatic tissue.found deep in mucous membrane
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What is acquired immunity?
An immune response targeted at a specific pathogen or toxin
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What is humoral immunity?
Immunities that come from antibodies in the blood
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What is cell mediated immunity?
Immunity that comes from the action of T-lymphocytes
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How does a vaccine work?
a dead or weakened pathogen is put in your body to cause an immune response. Your immune system remembers it and can quickly fight it if you are exposed again
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What are the ways antibodies attack antigens? (5 answers)
1.Bind to antigens2.bind antigens in clumps3.Activate complement4.Stimulate phagocytosis5.stimulate inflammation
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Name three of our bodies first line of defense.
Our skin,our stomach acid,sweat glands,sebaceous glands,mucous,tears have lysosomes,urine washes the urinary tract,cervical mucous,symbiotic organisms.
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What are the chemicals that promote fevers by acting on the hypothalamus called?
Pyrogens
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What do natural killer cells do?
Lymphocytes that attack tumor cells and virus infected cells
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What are three basic functions of the lymphatic system?