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immune system is a network of cells, tissues*, and organs that work together to defend the body against attacks by “foreign” invaders. These are primarily microbes (germs)—tiny, infection-causing organisms such as bacteria, viruses, parasites, and fungi. Because the human body provides an ideal environment for many microbes, they try to ...
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1. IMMUNE SYSTEM. The body’s defenseagainst: • disease causing organisms or infectious agents • malfunctioning cells or abnormal body cells as cancer • foreign cells or particles. Basic Immunity. • Depends on the ability of the immune system to distinguish between selfand non-selfmolecules •Selfmolecules are those components of an ...
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The immune system has two parts. There’s the immune function that you’re born with, called the innate immune system. The innate immune system is a general defense mechanism that protects you from the time your body is exposed to harmful germs until the time the second part of the immune response — the adaptive immune system — kicks in.
The (cluster of designation) (often abbreviated as CD) is a protocol used for the identification and investigation of cell surface molecules present on White blood cells. CD molecules can act in numerous ways, often acting as receptors or ligands (the molecule that activates a receptor) important to the cell.
This page titled 20.2: Introduction to the Immune System is shared under a CK-12 license and was authored, remixed, and/or curated by Suzanne Wakim & Mandeep Grewal via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. The immune system is a host defense ...
Aug 21, 2013 · Introduction to the Immune System. Scott McComb , Aude Thiriot , Lakshmi Krishnan , and Felicity Stark. Abstract. The immune system in a broad sense is a mechanism that allows a living organism to ...
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