The plasma that flows out of the arterioles, into the capillaries, then into the spaces between the cells of the tissues.
What is interstitial fluid?
Natural killer cells, B cells, and T cells.
What are the three types of lymphocytes?
Lymphoid tissue located in the nasopharynx
What are the adenoids?
Intact skin, respiratory system, digestive system and lymphatic system
What is the Immune System's first line of defense
The Lymphatic system helps the body fight ______.
What are infections?
The clear, watery fluid containing electrolytes and proteins
What is lymph?
Has both lymphatic and hematologic functions.
What is the spleen?
This hangs from the lower portion of the cecum,
What is the vermiform appendix?
A disease-fighting protein created in response to the presence of a specific antigen
What is an antibody?
Lymph capillaries carry lymph into larger ________
___________.
What are lymphatic vessels?
Found in the small intestines these structures absorb fats and fat-soluble vitamins that cannot be transported by the bloodstream
What are lacteals?
Produces thymocytes and T-cells.
What is the thymus?
Destroying worn-out erythrocytes and releasing their hemoglobin for reuse
What is hemolytic?
Immunity is present at birth
What is natural or passive?
The _______ is the largest organ in the lymphatic system.
What is the spleen?
Small, bean-shaped and contain specialized lymphocytes capable of destroying pathogens
What is a lymph node?
Nodules of lymphoid tissue found in the throat.
What is a tonsil?
White blood cells that take out damaged cells throughout the blood stream.
What is macrophages?
A preparation containing an antigen, consisting of whole or partial disease-causing organisms, which have been killed or weakened.
What is a vaccine?
_____ allow body movements to propel lymph toward the heart.
What are valves?
Leukocytes formed in bone marrow as stem cells that defend the body against antigens.
What are lymphocytes?
Any substance that the body regards as being foreign
What is an antigen?
The accumulation of fluid in the tissues.
What is edema?
The process of destroying pathogens by surrounding and swallowing them
What is phagocytosis?
________ lymph nodes that are located in the inguinal area of the lower abdomen
What are inguinal lymph nodes?