This printable word search puzzle on the topic of Human Body Systems contains 18 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.
white blood cells
Air composition
red blood cells
Vital capacity
de-oxygenated
Gas exchange
Tidal volume
Bronchioles
capillaries
Inspiration
Expiration
oxygenated
anaerobic
Diaphragm
aerobic
Alveoli
Bronchi
glucose