This printable word search puzzle on the topic of Human Body Systems contains 30 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.
brachiocephalic artery
internal jugular veins
deoxygenated blood
superior vena cava
circulatory loops
subclavian veins
popliteal artery
tricuspid valve
thoracic aorta
transportation
erythrocytes
capillaries
myocardium
subclavian
regulation
protection
lymph node
vertabral
platelets
diffusion
thoracic
thymus
spleen
plasma
oxygen
lungs
blood
veins
heart
lymph