40. Circulatory System
Circulatory and Respiratory Anatomy
Problem 4a
Textbook Question
Textbook QuestionWhich of the following is the main difference between your cardiovascular system and that of a fish? a. Your heart has two chambers; a fish heart has four. b. Your circulation has two circuits; fish circulation has one. c. Your heart chambers are called atria and ventricles. d. Yours is a closed system; the fish's is an open system.
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