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.
cardiovascular disease
noninfectious disease
infectious disease
passive immunity
active immunity
pasteurization
circulation
hemoglobin
capillary
allergen
antibody
platelet
antigen
artery
cancer
plasma
heart
blood
lymph
vein