Circulatory and Lymphatic Systems Crossword

This printable crossword puzzle on the topic of Human Body Systems has 14 clues. Answers range from 5 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The muscular organ that pumps blood
These are found between the chambers of the heart to prevent backflow
The two lower chambers of the heart
Blood vessels that carry blood to every part of the body
Blood vessels that carry blood back to the heart
The blood transports oxygen and ________________ to cells
A chemical that carries oxygen and carbon dioxide
The part of the blood that helps it clot
Fluid that leaks out of capillaries
The part of the blood that destroys viruses and bacteria
Small knobs of tissue that filter lymph
Microscopic blood vessels
A wall that separates the left and right side of the heart
Marker molecules are a type of ______________ on red blood cells that determine your blood type