Nervous System

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Across
  1. 3. Largest part of the brain. It provides high mental functions like reasoning and memory.
  2. 7. This is a bundle of nerves that forms a deep bridge between 2 cerebral hemispheres
  3. 10. The ________ coordinates all of your body activities.
  4. 11. Nerve cells do not touch each other, yet still pass ________ to each other.
  5. 13. Name given to the collection of cell bodies and myelinated fibers.
  6. 14. Which part of the brain includes centers that coordinate voluntary muscle movements?
  7. 17. Nerve cells that receive information and send impulses to the brain or spinal cord are called ________ neurons.
  8. 18. The senses act as the body's alert system, reacting to ________ and transmitting impulses to the brain.
  9. 23. Nerve cells that relay impulses from sensory nerve cells to motor nerve cells are called ________.
  10. 24. Neurons with several processes branching off the cell body are structurally classified as
  11. 25. The ________ nervous system is made up of the brain and spinal cord.
Down
  1. 1. In the peripheral nervous system the ________ system controls involuntary actions.
  2. 2. The master controlling and communicating system of the body
  3. 4. Neurons with only one process branching off the cell body, that makes both the axon and the dendrite is
  4. 5. The ________ nervous system is made up of all the nerves outside the brain and spinal cord.
  5. 6. Name given to the collection of cell bodies and unmyelinated fibers
  6. 8. A ________ is a small space across which an impulse travels to move from one neuron to another.
  7. 9. Your nervous system is made up of ________ which are made up of a cell body and branches of dendrites and axons.
  8. 12. Nerve cells that conduct impulses from the brain to muscles and glands throughout your body are called ________ neurons.
  9. 15. Whitish, fatty material that covers axons and helps to insulate the nerve
  10. 16. bundles of neurons that carry impulses from all parts of the body to the brain and from the brain to all parts of the body.
  11. 18. This body system integrates with the nervous system by providing bones to protect the brain
  12. 19. The branch part of the neuron that receives messages and sends them to the cell body.
  13. 20. The branch part of the neuron that transports messages away from the cell body.
  14. 21. When a movement causes the spinal cord to interpret an impulse from the brain from sensory receptors this movement is called
  15. 22. A ________ is any change inside or outside your body that brings about a response in a living organism.