This printable word search puzzle on the topic of Human Body Systems contains 14 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.
right ventricle
left ventricle
right atrium
left atrium
oxygen
muscle
artery
blood
valve
lungs
heart
pump
tube
vein