Which of the Following Statements About the Structure of the Fish

question 62

Multiple Choice

Which of the following statements about the structure of the fish gill is false?

• A) Afferent vessels bring blood to the gills, whereas efferent vessels take blood away from the gills.
• B) Exchange of respiratory gases occurs within the lamellae of the gill filaments.
• C) The efferent and afferent vessels are the counter-current flow system of the gill.
• D) The lamellae greatly increase the surface area for gas exchange.
• E) The opercular flaps enclose the gill chambers.

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