Nervous system

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Across
  1. 3. stands for peripheral nervous system
  2. 5. wires or cables within the body that transmit electrical signals
  3. 6. where your cardiovascular and respiratory systems link together
Down
  1. 1. located at the back of the head
  2. 2. cord crucial pathway for messages between the brain and the rest of the body
  3. 4. controls voluntary movement and processes sensory information