The Respiratory System Crossword
This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
One of two places where air enters your body
You do this when something irritates your nose
This stops food from entering your trachea when you swallow
A gas that you breathe out. It is a waste gas
Breathe out
Large muscle that controls respiration
All animals need this gas in order for cells to make energy
Scientific name for the windpipe
You do this when something irritates your trachea or bronchi
Breathe in
What we breathe
Part of the respiratory system where gas exchange occurs
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