This printable word search puzzle on the topic of Human Body Systems contains 16 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.
respiratory system
white blood cells
red blood cells
bronchiole
platelets
ventricle
vena cava
bronchus
alveoli
trachea
plASMA
atrium
blood
aorta
Lungs
Heart