2 The smooth muscles and glands are controlled by the nervous system 3 Neurons

2 the smooth muscles and glands are controlled by the

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2. The smooth muscles and glands are controlled by the _______________________ nervous system. 3. Neurons are composed of a network of fine threads called ____________________ 4. The nervous system consists of two parts, the brain and spinal cord make up the ______________ nervous system, and the nerves throughout the body make up the ___________ nervous system. 5. ______________________________are cells found between neurons and blood vessels. 6. Neurons consist of a cell body, axons, and _________________________, which receive information. 7. Neurons that have a single process extending from the cell body are classified as _________, if they have two processes, they are classified as _____________ 8. White matter is composed of axons that are sheathed in ______________________ 9. Two ions necessary to create an electric current in a nerve fiber are potassium and ______________. 10. The ______________________ function of the nervous system refers to information being interpreted so that the brain can make decisions. 11. The junction between two communicating neurons is called the ________________ 12. Acetylcholine, serotonin and endorphins are all forms of ___________________ 13. The _________________________arc refers to a simple nerve pathway that would be involved with involuntary actions (like knee-jerk, or withdrawal) 14. Groups of neurons that perform a common function, such as the storing of procedural memory (tying your shoe) are called neuronal __________. 15. __________________________________cells help destroy bacterial cells and cellular debris. 16. There are 31 pairs of ____________________________ nerves. 17. These types of neurotransmitters increase membrane permeability, thus increasing the chance that threshold will be achieved. 18. When a threshold is achieved, an event called the __________________ potential occurs. 19. Gaps in the myelin sheath are called Nodes of _________________________________ 20. These support cells are responsible for secreting the myelin sheaths: _________________________ 21. A nerve impulse is received by the dendrites and then travels down the ___________________ 22. There are twelve pairs of ________ nerves. 23. This neurotransmitter stimulates the muscles to contract. __________________ 24. These cells form a membrane that covers specialized brain parts: ___________ 25. These cells have the same function as oligodendrocytes, but are packed within the myelin: _________________ Locate words from the Review on the Word Search: Nervous System Review Word Search
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  • Fall '16
  • Berkley

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