Respiratory System Crossword
This printable crossword puzzle on the topic of Human Body Systems has 11 clues. Answers range from 6 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
A set of muscles that separates your thorax from your abdomen. Its contraction helps the lungs expand
Muscles between your ribs that help lift the ribs up and out, helping the lungs expand
Parts of the respiratory system that function to transport air into the respiratory zones
A small flap of tissue that covers the larynx so that food and drink doesn't enter the airway
These are what the trachea splits into
Parts of the respiratory system that allow gas exchange to occur
Narrower branches of the lungs that stem from the bronchi
Grape-like clusters found at the ends of each branch inside the lungs. This is where the bulk of the gas exchange occurs
Tiny membrane-bound cavities where simple diffusion of oxygen and carbon dioxide takes place
A gas that diffuses FROM the bloodstream INTO the alveoli to be exhaled
A gas that diffuses FROM the alveoli INTO the bloodstream after it is inhaled
