This printable word search puzzle on the topic of Human Body Systems contains 27 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.
internal respiration
respiratory system
mucous membranes
carbon dioxide
pleural cavity
nasal cavity
bifurcation
bronchioles
inspiration
mediastinum
respiration
ventilation
vocal cords
epiglottis
expiration
capillary
diaphragm
olfactory
bronchus
alveoli
glottis
pharynx
trachea
larynx
oxygen
cilia
mucus