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.
atrioventricular valves
respiratory system
pleural membrane
semilunar valves
phagocytosis
haemoglobin
lymphocytes
phagocytes
capillary
diaphragm
emphysema
platelets
septum
heart
veins