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.
coronary heart disease
electrocardiogram
pulmonary artery
cardiac arrest
cardiovascular
pulmonary vein
heart attack
pacemaker
vena cava
ventricle
artery
muscle
aorta
valve
vein