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Which of the following is NOT a function of the lymphatic system?
A) Maintaining blood pressure
B) Absorbing dietary fats
C) Activating the immune system
D) Transporting excess interstitial fluid back to the heart
A) Maintaining blood pressure (NOT an function)
The cortex of the lymph node contains spherical clusters called ____________, which contain primarily ____________
lymphatic nodules; B-lymphocytes
Small blind-ended vessels responsible for collecting interstital fluid and delivering it to lymph collecting vessels
Thin-walled structures that carry lymph from the small lymphatic capillaries to the larger lymph trunks
Lymph collecting vessel
Two structures, the right lymphatic duct and the thoracic duct, that return lymph to the blood
Organ of the lymphatic system consisting of two tissue types: red pulp, responsible for destroying old red blood cells; and white pulp, which contains lymphocytes, macrophages, and dendritic cells
Aggregated, unencapsulated lymphoid tissue found at the base of the tounge, in the nasopharynx, and the oropharynx
Clusters of lymphatic tissue found throughout the body's mucus membranes
Mucosal-associated lymphatic tissue
Lymphoid organs found along the lymphatic vessels that filter lymph and remove pathogens, toxins and cells
The immune system generic response to cellular injury or invading foreign organisms; does not foster long immunity
Results from the release of checmicals near the damaged cells that attract immune cells to the area and cause vasodilation, increased capillary permeability, and pain
Neutrophils, basophils, and eosinophils; along with macrophages, are the bodies main phagocytic cells
Immmune system response to invading foreign organisms using a unique set of cells and molecules for each threat; fosters long term immunity to specific threats
Leukocyte resonsible for humoral immunity; when presented with a know antigeb, it differentiates into plasma cells and memory cells
Molecules secreted by plasma cells to bind to antigens on foreign cells and identify them for destruction by phagocytes
When presented with an antigen from abn invading cell, it releases cytokines to initiate a non specific response and activate CD8 T lymphocytes
CD4 (helper) T-lymphocyte
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