10 terms

Word Sheet 10 Respiratory System Key Words

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Epiglottis
A piece of tissue covering the top of the larynx that prevents food and liquid from entering the respiratory tract.
Trachea
A tube extending from the larynx to the bronchi.
Bronchi
The 2 main branches which lead from the trachea to the lungs, providing a passageway for air.
Bronchioles
Smaller branches or subdivisions of the bronchi.
Alveoli
Small grape-like sacs in the lungs found at the end of the bronchioles where the air meets the capillaries.
pulmono
One of 2 cone shaped, spongy organs of the respiratory system contained within the pleural cavity of the thorax. Contains bronchi, bronchioles, alveoli and capillaries.
Thoractic cavity
The part of the body between the base of the neck and the diaphragm.
Pleura
A membrane that enfold the lungs and is moistened with a secretion that reduces friction during respiration movements.
Pneumo
Combing form meaning lung or air.
Sputum
An abnormal, thick fluid expelled from deep within the lungs by coughing. May contain cellular debris, blood, pus and microorganisms.
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