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
Thin film of fluid buffering lungs from contact with ribs
Smallest subdivision of bronchi
Act of breathing out
The Longest vein in the body
Inside the Heart and lungs
From the heart to the body
During Inhalation this contracts
End of the passageway right before air reaches the lungs
Innermost layer of vessel
Difference in veins and arteries
Bigger lung
Down
Vessel that says open without blood pressure
Inhalation and exhalation
Inner layer of vessel
First layer of vessel
Passageway for air
Exchange of gases
Act of Breathing in
Used both for respiratory and digestive system
Air sacs for gas exchange