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Respiratory System

Across
Food and air both passes through
Main passaway to the lungs
large air filled space above and behind the nose in the middle of the face.
a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
Muscle moves air in and out of lungs
Vocal cords are
11 of these....
Exhalation
Down
the action of breathing
help the body to get rid of CO2 gas when we breathe out.
"windpipe"
Cluster of sacs where oxygen is absorbed
Small branching tubes
the equivalent process using other respiratory organs
Inhalation