The nervous system is responsible for the many actions and movement of the body. It is an organ system that sends and receives, even also influences many cellular and organismic phenomenon.
A nerve damage at a specific area for example a nerve damage was incurred for your right hand, since the nerves in that area were destroyed or were paralyzed the dendrites are unable to receive and the terminal buds are unable to send a specific neurotransmitter called the acetycholine for the muscle cells to initiate and process the enzyme which enables the muscle to interact and react.