This printable word search puzzle on the topic of Human Body Systems contains 20 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
Standard Precautions
Artificial Immunity
Interstitial Fluid
Incubation Period
Natural Immunity
Hypersensitivity
Lymph Vessels
Thoracic Duct
Immunization
Lymphocytes
Lymph Nodes
Vaccination
Adenitis
Adenoids
Tonsils
Spleen
Thymus
Lymph
AIDS
HIV