peripheral nervous system

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Across
  1. 3. Sensory receptors that are stimulated by temperature changes
  2. 4. A neuron is the basic structural unit of the NS, and a reflex arc is the basic ____ unit of the nervous system
  3. 6. ____ plexus gives rise to all nerves that innervate the upper limbs
  4. 7. Sensory (afferent) nerves carry impulses only _____ the CNS
  5. 8. This nerve is compressed in carpal tunnel syndrome
  6. 9. This nerve is the largest branch of the sacral plexus and is the thickest & longest nerve in the body
  7. 10. Sympathetic division is also referred to as the _____ division
  8. 11. The ANS consists of the sympathetic & ______ nervous systems
  9. 13. This nerve supplies both sensory & motor innervation to the diaphragm
  10. 16. Motor (_____) nerves carry impulses only away from the CNS
  11. 18. A sensory cranial nerve that oversees smell
  12. 19. Collections of neuron cell bodies in the PNS
  13. 21. A sensory cranial nerve that oversees hearing and balance
  14. 22. Connective tissue wrapping that covers fascicles of nerve fibers
Down
  1. 1. The ANS is also called the _____ nervous system, which reflects its subconscious control
  2. 2. All preganglionic axons & all parasympathetic postganglionic axons release _____
  3. 5. There are 31 pairs of cranial nerves which exit through the _____ foramen
  4. 9. Functionally, a _____ reflex will activate skeletal muscle
  5. 12. _____ is the main integration center of ANS activity
  6. 14. The muscle fiber or gland cell that responds to the efferent impulses
  7. 15. The largest terminal nerve of the lumbar plexus
  8. 17. Reflex arcs can be inborn (_____) or learned (acquired from practice/repetition)
  9. 20. Network formed by multiple ventral Rami that give rise to individual spinal nerves