Brain & Body

1. chemical substances that carry messages through the body in blood
6. a part of the brain that covers the brain’s central core, responsible for sensory and motor control and the processing of thinking and language
11. the chemicals released by neurons which determine the rate at which other neurons fire
13. the gap that exists between individual nerve cells
14. a small part of the brain above the pons that arouses the brain, integrates sensory information, and relays it upward
15. gland, the center of control of the endocrine system that secretes a large number of hormones

2. system, a chemical communication system using hormones by which messages are sent through the bloodstream
3. nervous system, the part of the peripheral nervous system that controls internal biological functions
4. nervous system, system that includes the brain and spinal cord
5. the long thin cells of nerve tissue along which messages travel to and from the brain
7. a part of the brain located at the rear base of the skull that is involved in the basic processes of life
8. the different regions into which the cerebral cortex is divided
9. nervous system, system of nerves branching beyond the spinal cord into the body
10. nervous system, the part of the peripheral nervous system that controls voluntary movement of skeletal muscles
12. cord, nerves that run up and down the length of the back and transmit most messages between the body and brain