The Respiratory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 13 clues. Answers range from 3 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

These blood vessels line the alveoli.
This muscles is responsible for air moving in and out of the lungs
Very small hairs
The left lung divided in to how many lobes?
This membrane separates the lungs from the chest wall.
The trachea divides in to two of these.
This liquid holds foreign particles and moves them towards the throat for removal.
The voice box
Also known as the wind pipe.
A flap of tissue that guards the opening to the trachea.
Lymph nodes found in the pharynx.
The smallest subdivisions of the bronchi.
This blood vessel takes the oxygenated blood back to the heart.