This printable word search puzzle on the topic of Human Body Systems contains 11 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.
Carbon Dioxide
Nasal Cavity
Bronchioles
Diaphragm
Diffusion
Alveoli
Pharynx
Trachea
Larynx
Oxygen
Lung