My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Respiratory System

Across
This organ functions to provide air flow to and from the lungs for respiration.
Also known as the sound box, works to protect the trachea against food aspiration.
Down
The most external organ. Air is inhaled and exhaled through this organ and it has different mechanisms for cleaning and condensing the inhaled air.
These are like highways for gas exchange, with oxygen going to the lungs and carbon dioxide leaving the lungs through them.
The center of the respiratory system responsible for gas exchange.