Respiratory System Crossword
This printable crossword puzzle has 12 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The Voice Box
The main organ of the respiratory system.
Another name for the windpipe.
Tubes that lead into each lung.
The smallest tubes inside the lungs.
Tiny are sacs.
The smallest blood vessels.
The important gas we breathe in.
The waste gas we breathe out.
This bad habit can severely damage the lungs.
This is the process of breathing in and breathing out.
The term that means gas exchange.
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