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The Respiratory System 5.1

Across
An organ found i air-breathing vertebrates that exchange oxygen and carbon dioxide with the blood.
Tiny sacs of lung tissue specialized for the movement of gases between air and blood.
A large, dome-shaped muscle located at the base of the lungs that helps with breathing.
The process in which the body cells break down glucose, using oxygen and releasing the chemical energy in glucose.
The windpipe
Down
Tiny, hairlike projections on the outside of cells that move in a wavelike manner.
The passages that direct air into the lungs.
Folds of connective tissue that stretch across the opening of the larynx.
The throat
The voice box