Which Feature Does Not Characterize the Circulatory System of Water-Breathing

question 220

Multiple Choice

Which feature does not characterize the circulatory system of water-breathing fishes?

• A) Single atrium
• B) Blood leaving the gills returning to the heart for additional pumping before entering the systemic circuit
• C) Single ventricle
• D) Blood leaving the gills and entering the aorta under low pressure
• E) Single circuit

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