In the lungs, oxygen moves from air into blood by:
A) diffusion.
B) osmosis.
C) bulk flow.
D) active transport.
E) facilitated diffusion.
Correct Answer:
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Q13: Which of the following groups of animals
Q14: Movement of O2 from the outside air
Q15: Which of these animals takes up O2
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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.
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