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S1: There is no transportation system in any city that can compare in efficiency with the circulatory system of the body.P: The larger one goes from the heart to the various other parts of the body.Q: If you imagine two systems of pipes, one large and one small, both meeting at a central pumping station, you'll have an idea of the circulatory system.R: These pipes are called arteries, veins and capillaries.S: The smaller system of pipes goes from the heart to the lungs and back.S6: Arteries are blood vessels in which blood is going away from the heart.The Proper sequence should be: |
A. | QSR |
B. | SPR |
C. | SQP |
D. | PRQ |
Answer» C. SQP | |