This printable word search puzzle on the topic of Human Body Systems contains 12 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.
white blood cells
red blood cells
blood pressure
atrium atria
capillaries
Circulation
ventricles
platelets
arteries
plasma
veins
heart