They were isolated for 2 basic reasons.One was the hilly geography of Greece,
this natural setting spawned several isolated communities.Then the second reason was because that these communities grew into city-states with the dominant community ruling the smaller ones
Answer:
In simple words, Sensory as well as motor nerves are indeed the two main forms of muscles. Sensory nerves transmit knowledge to the brain as well as spinal cord like touch, temperature, even pain. Motor nerves carry brain impulses back to the muscles, allowing them to contract spontaneously or compulsively.
The central nervous system of your body is made up of the brain and spinal cord. The brain serves as the human body operations centre and the spinal cord serves as a conduit for signals transmitted from the brain to the body as well as from the cytoplasm to the nucleus.
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