Chitin ....................
The correct answer for the above question is D. that the peripheral system includes all the nerves and neurons outside the brain and the spinal cord. The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.
The movement disorder is the restless legs syndrome. <span>This is a confusion that makes a compelling impulse move one's legs. There is frequently a repulsive inclination in the legs that enhance fairly with moving them. Every so often the arms may likewise be influenced. The emotions, by and large, happen when very still and in this way can make it difficult to rest.</span>
Cohesion:<span> Water is attracted to water</span>
Adhesion:<span> Water is attracted to other substances</span>
i believe it is 4 im sorry if im wrong