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Respiratory System

Across
Branches into which a bronchus divides
Reduce the surface tension of a liquid in which it is dissolved
serous membranes lining the thorax and enveloping the lungs
Inflammation of bronchial tubes
Process of breathing
A flap of cartilage at the root of the tongue
Adam's Apple
The voice box
Outer membrane attached to the inner surface of the thoracic cavity
normal volume of air displaced
Structures on the side of the inside of the nose
The cavity behind the nose and mouth, connecting them to the esophagus
Where both food and air pass
Down
Vibrate to produce the voice
Sheet of internal skeletal muscle
Ring-shaped cartilage of the larynx
Breathing in
The upper part of the pharynx connecting with the nasal cavity over the soft palate
Part of the pharynx that lies between the soft palate and the hyoid bone
bacterial disease that affects the lungs
Air that remains in the lungs after fully exhaling
outer membrane of the thoracic cavity
Block airflow and make breathing difficult
Breathing out
Tiny air sacs of the lungs
It affects the voice through expansion or contraction
The windpipe