1.
Define the term inspiration (inhalation) and expiration (exhalation).
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2.
Identify the structure air first enters when you inhale. ___________________________________________________________________
3.
Identify the structure after the nasal cavity that is also known as the throat. _____________________________________________________
4.
Identify the structure also called the voice box. _________________________________________________________________
5.
Identify the structure also called the windpipe. __________________________________________________________________
6.
Identify the structures that hold the trachea upright (use your textbook/internet).
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7.
Identify what is found on the lining of the nasal cavity and the trachea and the function of these structures (use your textbook/internet).
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8.
Identify the two structures that branch off the trachea. ______________________________________________________
9.
Identify the smaller tubes that branch off the bronchi. _______________________________________________________
10.
Identify the structures at the end of the bronchioles. _________________________________________________________
11.
Describe the structure of alveoli.
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12.
Describe how GAS EXCHANGE occurs in the alveoli.
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13.
Identify the process that transfers O
2 from the alveoli to the blood and CO
2 from the blood back to the alveoli. (Hint…the O
2 and
CO
2
are both moving from a high to low concentration.)_____________________________________________________________________
14.
Identify the sheet of muscle separating the chest cavity from the abdominal cavity. ___________________________________________________
15.
Describe how the diaphragm causes inhalation. ___________________________________________________________________________________________
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16.
Describe how the diaphragm causes exhalation (Hint…it is the complete opposite of what occurs during inhalation).
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17.
Identify the sequence of structures that air passes through during inhalation starting with the nasal cavity and ending in the alveoli.
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Asthma involves the construction of bronchi and bronchitis involves the swelling and inflammation of bronchi. How do these two disorders disrupt homeostasis?