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This is triggered by the movement of positively

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A brief electrical charge that travels down the axon. This is triggered by the movement of positively charged atoms in and out of channels in the axon’s membrane. When this happens, the neuron is depolarized. ______________ ____________ 10. This is the part of the nervous system that controls the body’s skeletal muscles. It is also called the skeletal nervous system. __________________ nervous system. 11. The division of the autonomic nervous system that calms you down and thus, conserves energy. __________________ nervous system. 12. The brain and the spinal cord make up this part of the nervous system. ______________ nervous system.
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13. A series of X-ray photographs that show us a "slice" of the brain. ____________ ______________ 14. The area in the frontal lobe, usually in the left hemisphere, that directs the muscle movements necessary for speech. __________________ area 15. The set of glands that secrete hormones into the blood system. _______________ system. 16. Natural morphine-like neurotransmitters that are linked to pain control and pleasure. _____________________ 17. A layer of fatty tissue that encases some axons. It speeds up neural transmission. __________________ 18. Neurons that carry information from the senses (eyes, ears, etc.) to the central nervous system. _________________ neurons. 19. The brains capacity to reorganize itself. This is most apparent when it comes to the brains of children who have experiences some form of brain damage. __________________ 20. This is he gland that control growth and also controls other endocrine glands. It is the master gland. ____________________ gland.
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