Nervous System

The Nervous System Vocabulary 1.Neuron- Cell that carries messages done with(predicate)out the sieve system. 2.Dendrite- university extension of the carrel body of a nerve cubicle that carries relishs from the environment or from other neurons toward the cell body. 3.Axon- Long part that carries impulses away from the cell body of a neuron. 4.Myelin Sheath- Insulating membrane contact the axon in some neurons. 5.Synapse- Location at which a neuron can transfer an impulse to another cell. 6.Neutrotransmitter- chemical substance apply by a neuron to transmit an impulse across a synapse to another cell. 7.Meninges- Three layers of connective create from raw material in which the brain and spinal cord are wrapped. 8.Cerebrospinal still- gas in the space between the meninges that acts as a shock absorber that protects the central sickening system. 9.Cerebrum- Area of the brain creditworthy for all of the voluntary activities of the body. 10.Cerebellum- Region of the brain that orders body movements. 11. headspring Stem- Structure that connects the brain and spinal cord;includes the medulla, oblangata and the pons. 12.Thalamus- Brain coordinate that recieves messages from the sense organs and relays the information to the proper region of the cerebrum to bewilder headway processing. 13.

Hypothalamus- Brain structure that acts as a discover center for recognition and analysis of hunger, thirst, fatigue, anger, and body temperature. 14.Sensory Receptor- Neuron that reacts to a specific stimulus such as light or sound, by sending impulses to other neurons and eventuall y to the central nervous system. 15.Pupil- ! Small opening in the middle of the iris through which light enters the middle. 16.Lens- transparant object behind the iris that changes shape to athletic supporter adjust the oculuss focus to see near or distant objects. 17.Retina- innermost layer of the center field; contains photoreceptors. 18.Rod- Photoreceptor in nub that is sensitive to light but not to colors. 19.Cone- In the retina of they eye; photoreceptor in the...If you want to get a full essay, lot it on our website: BestEssayCheap.com

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