to breathe in oxygen and other gases
to breathe out carbon dioxide and other gases
what every cell in the body needs in order to live and function
controls how you breathe
breathing that you think about and control for a short time
the strong curved muscle attached below the lungs to the lower ribs and backbone
chest muscles and diaphragm
change the space and pressure inside your body to allow you to breathe
the tube that leads from the pharynx to the stomach
the flap of tissue that covers the trachea to keep food out of the lungs
the two small bands of elastic tissue that stretch across the inside of the larynx
tiny hairs in the nose that filter air
windpipe; the tube that leads to the lungs
the voice box; contains the vocal chords
thickness and length of the vocal chords
the respiratory system
our breathing system
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