This printable word search puzzle contains 20 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.
respiratory control center
anaerobic respiration
pleural membrane
vital capacity
gas exchange
respiration
oxygen debt
inhalation
exhalation
epiglottis
bronchiole
diaphragm
trachea
pharynx
bronchi
alveoli
larynx
cilia
lung
CPR