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11 Mar 2019
Which of the following statements about gas exchange in gills is false?
a.) water passes through the fish's mouth before passing over the gills
b.) water and blood move in the same direction across the gill
c.) the oxygen concentration in the water is higher than in the gill at all points along the gill
d.) each gill filaments is composed of hundreds or thousands of lamellae
Which of the following statements about gas exchange in gills is false?
a.) water passes through the fish's mouth before passing over the gills | ||
b.) | water and blood move in the same direction across the gill | |
c.) | the oxygen concentration in the water is higher than in the gill at all points along the gill | |
d.) | each gill filaments is composed of hundreds or thousands of lamellae |
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Elin HesselLv2
12 Mar 2019