The Cardiovascular System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 13 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

a disease that causes the heart muscle to weaken
a blood vessel that carries blood from the body back to the heart
this wall divides the heart into 2 halves
a condition you have from birth
a change in the rhythm of your heart beats
a blood vessel that carries blood away from the heart to the rest of the body
two upper chambers on each side of the heart that receive blood from the veins
a valve on the left side of the heart
the upper vena cava
also called a heart beat
the average size of this can be compared to the size of your heart
when oxygen has been used by the muscles, the blood is called ___________ .
the condition of the heart when it beats rapidly without exercise