Circulatory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 15 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

system that carries blood to the lungs
bottom section of the heart, slightly pointy
upper chamber of the heart
lower chamber of the heart
separates the left and right side of the heart
main artery
blood that is rich in oxygen
blood with low oxygen
blood vessel that carries blood toward heart
blood vessel that carries blood away from heart
liquid part of the blood
blood proteins that help from blood clotting
links arterioles to venules
system that carries blood to the body
double membrane that surrounds the heart