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.
pulmonary artery
semi-lunar valve
right ventricle
tricuspid valve
bicuspid valve
pulmonary vein
left ventricle
right atrium
left atrium
Vena cava
septum
aorta