This printable word search puzzle on the topic of Human Body Systems contains 39 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 cell
red blood cell
carbon dioxide
rhesus factor
agglutination
compatibility
coagulation
haemoglobin
contraction
circulation
transfusion
capillaries
antibodies
universal
platelets
pulmonary
ventricle
recipient
clotting
pressure
chambers
systemic
backflow
antigens
protein
plasma
muscle
atrium
oxygen
artery
lungs
pulse
valve
donor
blood
aorta
Heart
scab
vein