Topics: Terms and Definitions - Diseases Quiz
microorganisms which are typically one-celled, have no chlorophyll, multiply by simple division, and can be seen only with a microscope
A. acute
B. chronic
C. bacteria
D. virus
E. lymphatic system
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a rounded mass of tissue that filters fluids from other body tissues and traps pathogens
A. lymph node
B. immunity
C. active immunity
D. passive immunity
E. lymph nodes, adenoids, spleen, bone marrow, lymphatic vessels, tonsils, thymus, appendix