A word is one or more sounds that in combination have a specific meaning assigned by a language. The symbolic meaning of words can be so powerful that people are willing to risk their lives for them or take the lives of others.
A nerve impulse is the relaying of a coded signal from a nerve cell to an effector (a muscle cell, a gland cell or another nerve cell) in response to a stimulus. It is the means by which a nerve cell communicates with another cell.
  The electrical messages, called nerve impulses, may travel as fast  as 150m per sec or as slow as 0.2m/s a nerve impulse is an electrical signal that travels along the axon of a neurone to and from receptor.he path a nerve impulse travels in order is the following: 1. Stimulus 2. Sensory receptor 3. Sensory neuron 4. Central Nervous System (CNS) interneurones 5. Motor â¦ neuron 6. Muscle/Effector (whatever part of the body the stimulus is going to) 7.