Which animal has a circulatory plan in which blood flows from the heart through the breathing-organ circuit,then through the systemic circuit,and then back to the heart?

Question

Quizplus · Accepted Answer

Sockeye salmon have a circulatory plan in which blood flows from the heart through the gills (breathing-organ circuit) to pick up oxygen, then through the systemic circuit to deliver oxygen to the muscles and organs, and finally back to the heart. This is known as a single-loop circulatory system.

Which Animal Has a Circulatory Plan in Which Blood Flows