This printable word search puzzle on the topic of Human Body Systems contains 20 hidden words in a 24x24 letter grid. Words go horizontally and vertically. This word search is also available to download as a Microsoft Word document or a PDF.
internal transportation
irregular heartbeat
pulmonary circuit
red blood cells
blood vessels
cholesterol
stethoscope
homeostasis
sickle cell
arterioles
vertebrate
macrophage
nutrients
platelets
arteries
plasma
valves
lymph
heart
blood