Respiratory Sytem Crossword

This printable crossword puzzle on the topic of Human Body Systems has 13 clues. Answers range from 4 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

A common passage for food and air
Connects the pharynx and larynx to the lungs
Dome shaped muscular structure when relaxed
Entrance to the respiratory system
The air cells in the lungs
Very small, hair-like projections found on certain cells
A thin, triangular plate of cartilage that covers the entrance to the trachea during swallowing, so that food and drink do not get into the lungs
The two branches of the trachea, leading directly to the lungs
The smallest blood vessel
The part of the body passing from the mouth to the stomach or the lungs,
The upper part of the respiratory tract between the pharynx and the trachea; it's lined with cartilage and contains the vocal chords
Moistens the air we breathe
Blood vessels that carry blood away from the heart