The organs that supply your blood with oxygen.

Is a passageway in your throat that takes air into and out of your lungs.

Is a flap of tissue in the back of your mouth that keeps food out of your trachea.

Are two passageways that branch from the trachea, one to each lung.

Are two organs that exchange oxygen and carbon dioxide.

Is a large, dome shaped muscle below the lungs that expands and compresses the lungs, enabling breathing.

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7th Grade Health

Vocabulary

Term	Definition
Respiratory System	The organs that supply your blood with oxygen.
Trachea	Is a passageway in your throat that takes air into and out of your lungs.
Epiglottis	Is a flap of tissue in the back of your mouth that keeps food out of your trachea.
Bronchi	Are two passageways that branch from the trachea, one to each lung.
Lungs	Are two organs that exchange oxygen and carbon dioxide.
Diaphragm	Is a large, dome shaped muscle below the lungs that expands and compresses the lungs, enabling breathing.