Concept:The circulatory route between the heart and the rest of the body, excluding the lungs, is called systemic circulation.Explanation:Blood is pumped from the heart to supply oxygen and nutrients to all body tissues.This journey does not include the lungs, because the lungs are served by pulmonary circulation.The pathway that reaches every other part of the body is known as the systemic circulation.It is part of the double circulatory system, but the specific route described is systemic circulation.Answer:D. Systemic circulation