Mass Transport - Heart Crossword

This printable crossword puzzle on the topic of Human Body Systems has 13 clues. Answers range from 4 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The blood vessel that carries deoxygenated blood to the heart
The name of the valve situated between the atria and ventricles.
These prevent the back flow of blood.
This divides the left side and the right side of the heart. Prevents the mixing of oxygenated and deoxygenated blood.
These arteries supply the heart muscles.
Blood vessels that carry deoxygenated blood.
The chamber of the heart with the thickest muscular wall
The name given when the left and right atrium contract simultaneously
The name of the valve situated between the ventricles and the arteries.
Unloading alternative
The heart is known as a ____________ pump system
The number of chamber in the heart
The blood vessel that returns oxygenated blood back from the lungs.