Parts of somatic nervous system Edit. There are 43 segments of nerves in the human body. With each segment, there is a pair of sensory and motor nerves. In the body, 31 segments of nerves are in the spinal cord and 12 are in the brain stem.
In fact, as the Moon travels around the Earth in a counter-clockwise orbit every 27.5 days, it also completes one full rotation on its axis â also moving in a counter-clockwise direction.
The moon spins around the earth once a month. The earth spins around the sun once a year and the earth spins on it axis once a day giving rise to night and day.  So in answer â¦ to your question the earth spins around the sun and the moon spins around the earth.