Which of the following organisms contains distinctly separate pulmonary and systemic systems of blood flow?

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Humans have distinctly separate pulmonary and systemic systems of blood flow. The pulmonary system is responsible for gas exchange with the environment (taking in oxygen and releasing carbon dioxide), while the systemic system delivers oxygen and nutrients to tissues throughout the body and removes waste products. Frogs have a partially divided circulatory system, and fish primarily have a single circulatory loop.

Which of the Following Organisms Contains Distinctly Separate Pulmonary and Systemic