Respiratory System
Pharynx - Ans -the membrane-lined cavity behind the nose and mouth, connecting
them to the esophagus.
Larynx - Ans -voice box; passageway for air moving from pharynx to trachea; contains
vocal cords
Trachea - Ans -a large membranous tube reinforced by rings of cartilage, extending
from the larynx to the bronchial tubes and conveying air to and from the lungs; the
windpipe.
Bronchi - Ans -two short branches located at the lower end of the trachea that carry
air into the lungs.
Bronchioles - Ans -Airways in the lungs that lead from the bronchi to the alveoli.
Alveoli - Ans -tiny sacs of lung tissue specialized for the movement of gases between
air and blood
Diaphragm - Ans -Large, flat muscle at the bottom of the chest cavity that helps with
breathing
inhale - Ans -To breathe in, diaphragm contracts, moves downwards
exhale - Ans -To breathe out, diaphragm relaxes, moves upwards
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Pharynx - Ans -the membrane-lined cavity behind the nose and mouth, connecting
them to the esophagus.
Larynx - Ans -voice box; passageway for air moving from pharynx to trachea; contains
vocal cords
Trachea - Ans -a large membranous tube reinforced by rings of cartilage, extending
from the larynx to the bronchial tubes and conveying air to and from the lungs; the
windpipe.
Bronchi - Ans -two short branches located at the lower end of the trachea that carry
air into the lungs.
Bronchioles - Ans -Airways in the lungs that lead from the bronchi to the alveoli.
Alveoli - Ans -tiny sacs of lung tissue specialized for the movement of gases between
air and blood
Diaphragm - Ans -Large, flat muscle at the bottom of the chest cavity that helps with
breathing
inhale - Ans -To breathe in, diaphragm contracts, moves downwards
exhale - Ans -To breathe out, diaphragm relaxes, moves upwards
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Page
