This printable word search puzzle on the topic of Human Body Systems contains 16 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.
intercostal muscles
capillaries
diaphragm
cartilage
contract
aerobic
diffuse
trachea
bronchi
alveoli
breathe
oxygen
exhale
inhale
cilia
lungs