How much air enters the lungs in a human's average breath?
A) 125 milliliter
B) 250 milliliter
C) 500 milliliter
D) 750 milliliter
E) 1,000 milliliter
Correct Answer:
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Q18: Birds are able to sustain long flights
Q19: All of the following are respiratory surfaces
Q20: If a respiratory surface dries out, gas
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.
Q24: After passing through the nasal cavities, incoming
Q25: Alveoli:
A)have a moist surface.
B)are thick-walled.
C)are not permeable
Q26: The function of the epiglottis is to:
A)cover
Q27: The surface area-to-volume ratio (S/V)can be calculated
Q28: A thin slice of a lung looks
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