1 Pick a starting location and draw the first vector to scale in the indicated direction. Label the magnitude and direction of the scale on the diagram (e.g., SCALE: 1 cm = 20 m).  Starting from where the head of the first vector ends, draw the second vector to scale in the indicated direction.
brain transmit messages to the body using neurons and spinal cord. ... Motor neurons carry messages away from the brain and back to the rest of the body. the central neurons sâ¦ystem does many jobs at the same time. It controls all voluntary movement, such as speech and walking, and involuntary movements like blinking and breathing.
Nerve cells (neurons) carry messages from one part of the body to another through electrical and chemical impulses. Each has a cell body, dendrites, and an axon. The dendrites are thin, web-like structures that branch out from the cell body.