This printable word search puzzle on the topic of Human Body Systems contains 26 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.
Carbon dioxide
Haemoglobin
Circulation
Capillary
Vena cava
Diaphragm
Ventricle
Platelet
Bronchus
Alveoli
Trachea
Oxygen
Larynx
Atrium
Artery
Plasma
Atria
Mucus
Aorta
Valve
Blood
Heart
Ribs
Lung
Cell
Vein