This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 5 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Main organ in the circulatory system
Breathing
How you breathe
How blood travels to the heart
Helps with blood flow
Passage ways for air
blood
voicebox
air passes to lungs
membrane lined cavity behind your nasal cavity and mouth