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RespiratoryExcretory system
Basic Vocabulary Terms
6
Biology
7th Grade
01/07/2014

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Term
Respiratory System
Definition
Moves oxygen into the body and carbon dioxide out of the body. Main organs include; nose, mouth, trachea, bronchi, lungs.
Term
Lungs
Definition
The main organs of the respiratory system where gas exchange takes place.
Term
Bronchi
Definition
The passages that branch off the trachea (wind pipe) and direct air into the lungs.
Term
Trachea
Definition
Also known as the 'wind-pipe' a passage way connecting the nose and mouth to the lungs. Air passes through this passage into and out of the body.
Term
Larynx
Definition
The organ that produces "voices" in humans. Located in the top of the trachea.
Term
Alveoli
Definition
Tiny sacs of lung tissue specialized for the movement of gases between the air and the blood.
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