Examlex
Anemia may be the result of a deficiency in ____.
Clonal Selection
A theory in immunology that explains how antigens selectively bind to specific receptors on immune cells, leading to the activation and proliferation of these cells.
Inflammatory Chemicals
Substances produced by the body in response to injury or infection, causing redness, heat, swelling, and pain as part of the immune response.
Lymphatic Vessels
Part of the lymphatic system, these vessels transport lymph, a fluid containing white blood cells and waste products, back into the bloodstream.
Valves
Structures that open and close to control the flow of fluids in one direction, commonly found in the heart and veins of the circulatory system.
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