Download Respiratory System Worksheet

Respiratory System Worksheet
I. Complete the following statements by inserting one of the words below in the
answer blanks.
cartilage
filter
larynx
moisten
nostrils
pharynx
pressure
speak
vocal cords
voice box
warm
Air enters the nasal cavity of the respiratory system through the _________. The nasal
cavity has several functions. The major functions are to ______________,
________________, and ________________ the incoming air. The passageway common
to the digestive and respiratory systems, the ________________, is often called the throat;
it connects the nasal cavity with the _____________ below. Reinforcement of the trachea
with ________________ rings prevents its collapse during _______________ changes that
occur during breathing. The larynx or __________________ is built from cartilage. Within
the larynx are the _______________________, which vibrate with exhaled air and allow an
individual to ________________.
II. The figure below is a sagittal view of the upper respiratory structures. Correctly
identify all structures listed below.
nasal cavity
pharynx
larynx
vocal cords
oral cavity
esophagus
trachea
epiglottis
III.
Using the key choices, select terms identified in the following descriptions by
inserting the appropriate term in the answer blanks.
Key Choices:
A. alveoli
B. bronchioles
C. epiglottis
D. esophagus
E. pleura
F. bronchi
G. trachea
_____ 1. Smallest respiratory passageways.
_____ 2. Food passageway posterior to the trachea.
_____ 3. Closes off the larynx during swallowing.
_____ 4. Windpipe
_____ 5. Actual site of gas exchanges.
_____ 6. Membrane that lines the thoracic cavity and covers the surface of the
lungs.
_____ 7. Tube that enters the right and left lungs.
IV. The figure below illustrates the gross anatomy of the lower respiratory system.
Label the areas/structure listed below.
larynx
trachea
right bronchus
pleural space
diaphragm
upper lobe of right lung
lower lobe of right lung
bronchioles