The function of the epiglottis is to:
A) cover fish gills.
B) close insect trachea.
C) prevent food from entering the airway.
D) be part of the vocal cords.
E) produce the alveolar surfactant.
Correct Answer:
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Q21: Which of the following is the gas-exchange
Q22: The vocal cords are located in the:
A)larynx.
B)pharynx.
C)epiglottis.
D)trachea.
E)bronchi.
Q23: How much air enters the lungs in
Q24: After passing through the nasal cavities, incoming
Q25: Alveoli:
A)have a moist surface.
B)are thick-walled.
C)are not permeable
Q27: The surface area-to-volume ratio (S/V)can be calculated
Q28: A thin slice of a lung looks
Q29: The cells that line the human respiratory
Q30: Which of these structures is analogous in
Q31: During inhalation, the diaphragm:
A)contracts and is dome-shaped.
B)relaxes
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