Chapter 6

2. An imaging technique used to study the brain to pinpoint injuries and brain deterioration
5. The long, thin cells of nerve tissue along which messages travel to and from the brain
10. The part if the PNS that controls voluntary movement of skeletal muscles
13. A part of the brain that covers the brain’s central core
15. A chemical communication system, using hormones, by which messages are sent through the bloodstream
16. A machine used to record the electrical activity of large portions of the brain

1. The part of the PNS that controls internal biological functions
3. An imaging technique used to see which brain areas are being activated while performing tasks
4. The genetic transmission of characteristics from parents to their offspring
6. A small part of the brain above the pons that integrates sensory information and relays it upward
7. A part of the brain located at the rear base of the skull that is involved in the basic processes of life
8. Nerves that run up and down the length of the back and transmit most messages between the body and the brain
9. The gap that exists between individual nerve cells
11. The brain and spinal cord
12. The different regions into which the cerebral cortex is divided
14. The chemicals released by neurons, which determine the rate at which other neurons fire