This printable word search puzzle contains 15 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 septum
Adam's apple
Respiration
Vocal cord
Diffusion
Alveoli
Pharynx
Glottis
Trachea
Bronchi
Pleura
Throat
Cilia
Hilus