Nervous System Organization

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Across
  1. 3. made up of the brain and spinal chord
  2. 4. part of the peripheral nervous system that's responsible for regulating involuntary body functions, such as blood flow, heartbeat, digestion, and breathing
  3. 5. part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles
  4. 6. collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
Down
  1. 1. consists of nerves and ganglia outside of the brain and spinal chord
  2. 2. chemical substances that act like messenger molecules in the body