Cardiovascular System - W&S Crossword

This printable crossword puzzle on the topic of Human Body Systems has 13 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Thinner walls than arteries, control blood distribution
Main artery of the body. Orginates in the left ventricle
Upper chambers of the heart, they receive blood returning to the heart
One of the four valves in the in heart, situated between left atrium and left ventricle
A vein which receives deoxygenated blood from upper body to empty into the right atrium
Ox
Deo
Carries blood away from the heart
Connects arteries and veins. Smallest of all blood vessels
Unique hollow muscle. Most important organ in the body
Outer layer of the heart
Inner layer of the heart
Middle layer of the heart