Nervous System

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Across
  1. 2. communicates with each part of the body through the nervous system, a network of channels that carry electrochemical signals.
  2. 6. often referred to as the body's chemical messengers
  3. 7. structure that permits a neuron pass an electrical or chemical signal to another neuron or to the target effector cell
  4. 8. controls the synthesis of proteins and the growth and differentiation of the cell into its final form
Down
  1. 1. appendages that are designed to receive communications from other cells
  2. 3. also called nerve fibre
  3. 4. undamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between
  4. 5. the largest part of the brain