This printable word search puzzle on the topic of Human Body Systems contains 13 hidden words in a 17x17 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.
carbondioxide
bronchioles
breathing
diaphragm
alveolus
bronchus
Trachea
oxygen
larynx
exhale
inhale
Lungs
rib