This printable word search puzzle contains 21 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.
Deoxygenated Blood
White Blood Cells
Oxygenated Blood
Pulmonary Artery
Red Blood Cells
Right Ventricle
Pulmonary Vein
Left Ventricle
Right Atrium
Capillaries
Left Atrium
Hemoglobin
Platelets
Pacemaker
Artery
Septum
Valves
Lungs
Aorta
Heart
Vein