This printable word search puzzle on the topic of Human Body Systems contains 18 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.
CARBON DIOXIDE
NASAL CAVITY
BRONCHIOLES
BREATHING
DIAPHRAGM
COUGHING
BRONCHUS
WINDPIPE
TRACHEA
OXYGEN
LARYNX
BLOOD
MOUTH
CILIA
MUCUS
NOSE
LUNG
AIR