Structure and Function of the Respiratory System C1 and C2 Crossword

This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 5 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The organ that allows oxygen to be drawn into the body
Small flap of cartilage at the back of the tongue
Small airways that extend from the bronchi (Heidi calls them broccoli!)
Mass of air sacs at the end of each bronchiole
A flat muscle that is located beneath the lungs within the thoracic cavity
The process of breathing air into the lungs
The type of exchange where one gas is exchanged for another
The process through which gaseous exchange occurs
The gas that helps to fuel our working muscles
Blood vessels that surround the alveoli