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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)

Lymph nodes filter __________, and the spleen filters ____________.

Lymph; Blood

The vessels into which fats are absorbed are called ____________.

lacteals

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

Lymphatic capillary

Interstital fluid that has been collected into the lymphatic system

Lymph

Thin-walled structures that carry lymph from the small lymphatic capillaries to the larger lymph trunks

Lymph collecting vessel

Carries lymph from many lymph collecting vessels to one of two lymph ducts

lymph trunk

Two structures, the right lymphatic duct and the thoracic duct, that return lymph to the blood

lymph duct

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

spleen

Organ of the lymphatic system where T-lymphocytes mature

Thymus

Aggregated, unencapsulated lymphoid tissue found at the base of the tounge, in the nasopharynx, and the oropharynx

Tonsil

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

Lymph node

The immune system generic response to cellular injury or invading foreign organisms; does not foster long immunity

Nonspecific response

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

Inflammation

Neutrophils, basophils, and eosinophils; along with macrophages, are the bodies main phagocytic cells

Granulocytes

Mature monocytes; along with the granulocytes, they are the bodies phagocytic cells

Macrophages

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

Specific response

Chemical markers on cells that provoke an immune response

Antigen

Specific response mediated by B-lymphocytes

Humoral immunity

Leukocyte resonsible for humoral immunity; when presented with a know antigeb, it differentiates into plasma cells and memory cells

B-Leukocyte

Molecules secreted by plasma cells to bind to antigens on foreign cells and identify them for destruction by phagocytes

Antibody

Specific response mediated by cells (T-lymphocytes) rather than antibodies

Cell-mediated immunity

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

Locate and destroy infected and invading cells

CD8 (cytotoxic) T-lymphocyte

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