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.
homeostatic mechanism
carbon dioxide
gas exchange
circulatory
respiratory
inspiration
metabolism
components
expiration
endocrine
emphysema
immune
system
asthma