This printable word search puzzle on the topic of Human Body Systems contains 18 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.
atrioventricular
erythrocytes
thrombocytes
circulatory
leukocytes
antitoxins
antibodies
capillary
pulmonary
platelets
lymphatic
bicuspid
artery
plasma
heart
blood
aorta
vein