In the circulatory system of a frog, the _____ circulation supplies the body tissues, while the ______ circulation supplies the respiratory surfaces.

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The systemic circulation in frogs supplies blood to the body tissues, ensuring that nutrients, oxygen, and other essential substances reach the cells. The pulmocutaneous circulation, on the other hand, is responsible for carrying blood to the lungs and skin (pulmonary and cutaneous surfaces) for gas exchange, allowing carbon dioxide to be expelled and oxygen to be absorbed. This dual circulation is a characteristic feature of amphibians like frogs.

In the Circulatory System of a Frog, the _____ Circulation