This printable word search puzzle on the topic of Human Body Systems contains 15 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.
Inflammatory Response
Natural Killer Cells
Acquired Immunity
Innate Immunity
Memory Cells
Lymphocytes
Interferons
Phagocytes
Pathogens
Receptors
Antibody
Humoral
B Cells
T Cells
Antigen