Respiratory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 15 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.
a large membranous tube reinforced by rings of cartilage
organs in your chest that allow your body to take in oxygen from the air.
any of the minute branches into which a bronchus divides
a large air filled space above and behind the nose in the middle of the face.
a flap of cartilage at the root of the tongue
a dome-shaped, muscular partition separating the thorax from the abdomen in mammals
each of a pair of serous membranes lining the thorax and enveloping the lungs in humans
the air passage from the throat to the lungs
the part of the alimentary canal that connects the throat to the stomach
a series of organs responsible for taking in oxygen and expelling carbon dioxide.
a large membranous tube reinforced by rings of cartilage
any of the major air passages of the lungs that diverge from the windpipe. Origin
the voice box
any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange