This printable word search puzzle on the topic of Human Body Systems 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.
Carbon dioxide
gase exchange
Inspiration
Respiration
Expiration
Diaphragm
Breathing
Bronchi
Pharynx
Trachea
Alveoli
Throat
larynx
Oxygen
Cells
Mouth
Lungs
Ribs
nose
Air