The Circulatory and Respiratory Systems Crossword

This printable crossword puzzle on the topic of Human Body Systems has 11 clues. Answers range from 5 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

a set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body.
Where the body inhales air
Tube that connects the larynx to the bronchi of the lungs.
Connects to the nostrils, allows air to move from the nose to the larynx (voice box) in the process of breathing.
The main passageway into the lungs
help oxygen from the air inhaled enter the red cells in the blood. The red blood cells carry the oxygen through the body.
An organ system that moves substances to and from cells. Helps stabilize body temperature and pH. Consists of a heart, blood vessels, and blood.
Muscular organ that pumps blood through the circulatory system by rhythmic contraction and dilation.
Carry blood away from the heart
Transport blood toward the heart
Red liquid that circulates in the arteries and veins of humans and other vertebrate animals