★ Immune System Quiz
White blood cells are the main cells of the immune system. Where are they produced?
A. Bone marrow
B. Veins & arteries
C. Stomach
D. None of the above
Select your answer:

Topics:
Multicellular Organisms PHE Pathogens, Disease and Immunity Vitals Injuries in Archery Pathology of Respiratory System Intravenous Fluid Therapy Disease and Immunity Blood & Blood Vessels The Nervous System and The Senses Cell Injury Abnormal Psychology; Assessment and Diagnosis Cell Transport Dermatology Vocabulary Muscle & Nerve TissueOther quiz:
The Human Eye › ViewWhat is the aqueous humor?
A. fibers that hold the lens in place
B. thin structure that controls pupil
C. clear, watery fluid
D. helps refract light to the retina
Immunology › View
______ are large cluster of lymphatic cells found in the pharynx
A. adenoids
B. thymus
C. lymph nodes
D. tonsils