Abeka 7th Grade Science Quiz 8
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10 Terms
What term refers to any ability of the body to resist invasion by a disease-causing organism?
immunity
What group of disease-fighting cells to phagocytes and lymphocytes belong to?
white blood cells
What are the tubes that transport urine from the kidneys to the bladder?
ureters
In what organ do lymphocytes mature?
thymus
What are the enlarged bundles of lymphatic tissue that filter lymph?
lymph nodes
Wastes are removed from the body by what system?
excretory system
What is the largest lymphatic organ?
spleen
To aid in the fight against invaders, B cells produce _______________, molecules that bind to invading organisms to inactivate them and mark them for destruction.
antibodies
Body cells are surrounded by a clear fluid called what?
tissue fluid
What body system fights invading organisms and includes the lymphatic system?
immune system
Note 
Flashcards (95)