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 and the Earth are held together by gravity. The Earth is much more massive than the Moon causing the Moon to orbit the Earth. The Moon revolves (orbits) eastward looking in the sky from Earth. Each orbit takes 27.3 days. The Moon also rotates, or spins on an internal axis once every 27.3 days.