48.
The specialized cell designed to control electrical impulses generated in the
nervous system is the:
a. Sacral plexus.
b. Bronchi.
c.
Neuron.
d. Pons.
e. Vagus nerve.
SPECIAL INSTRUCTIONS FOR EXERCISES 49 THROUGH 53. Match the structure of
the respiratory system in Column A to its description in Column B. Mark your answers
in the space provided.
COLUMN A
COLUMN B
___ 49. Larynx.
a.
Two branches of the air passageway, leading to
the lungs.
___ 50. Trachea.
b.
A system of tiny air tubules within the lungs.
___ 51. Bronchi.
c.
Tiny air spaces for exchange of oxygen and
carbon dioxide.
___ 52. Bronchioles.
d.
Between the pharynx and the trachea, containing
the vocal cords.
___ 53. Alveoli.
e.
Carries air from the larynx to the bronchi.
54.
What is the term for the air passage that enters directly into one of the lungs?
a. Pleural cavity.
b. Trachea.
c.
Bronchus.
d. Larynx.
e. Bronchi.
MD0501
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