This printable word search puzzle on the topic of Human Body Systems contains 10 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.
Partialpressure
Gaseousexchange
Carbondioxide
Capillaries
Inspiration
Expiration
Diffusion
Gradient
Alveoli
Oxygen