Crucigrama what is it?Versión en línea complete the crossword por Joceline Davila 1 it is the thick column of nerve tissue that extends from the base of the brain about two thirds of the way down the backbone 2 the portion of the alimentary canal extending from the stomach to the anus 3 a blood vessel that carries blood away from the heart 4 it is the mass of nerve tissue located in the head of animals with spinal cords; it is the center of thought and controls movement 5 it is the organ that controls the flow of blood in the body 6 a blood vessel that carries depleted blood back to the heart 2 3 5 4 6
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