Circulatory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

blood cell that fights infection by destroying microscopic, disease-causing organisms
either of the two lower chambers of the heart that pumps blood through arteries
blood vessel that carries blood to the heart
blood cell that carries oxygen throughout the body
muscular organ that pumps blood throughout the body
body system that includes the heart, blood vessels and blood
tiny blood vessel
a tube in the body through which blood flows
artery that carries blood from the right ventricle to the lungs
vein that carries blood from the lungs to the left atrium
either of the two upper chambers of the heart that receives blood from the veins
blood vessel that carries blood away from the heart