This printable word search puzzle on the topic of Human Body Systems contains 15 hidden words in a 24x24 letter grid. Words go horizontally, vertically, and backwards. This word search is also available to download as a Microsoft Word document or a PDF.
respiratory system
epithelial tissue
endocrine gland
skeletal system
nervous system
capillaries
tissues
artery
organs
oxygen
valves
blood
cells
heart
lungs