Respiratory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 15 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

main organs of the respiratory system
also known as the voice box
what protects the lungs
what this system allows you to do
what we breathe in
a cavity at the back of the nose connecting the mouth and nose to the oesophagus
a series of chemical reactions, releasing energy
a condition causing difficulty with beathing
what we exhale
a layer of muscle that separates the chest from the abdomen
swelling in the mucous membrane causing a cough
what is called the windpipe
openings of the nose
something that causes harm in this system
what connects the lungs