This printable crossword puzzle on the topic of Human Body Systems has 14 clues. Answers range from 3 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
what prevents backflow of blood
what muscle is the heart made out of
which side pumps blood to the lungs
what does blood leave the heart through
what does blood travel to the lungs through
how many pumps is your heart made of
what color, other than red, can blood sometimes look
on which side are the ventricle walls thicker
what carries blood to the heart
what carries blood away from the heart
which valve is in the right ventricle
which artery gives the heart muscle oxygen
where are the bicuspid valves
what does blood give up to tissues