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Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.
-3 , 9 , 27 , 81 , 243, . . .
Ciliated CNS Neuroglia
Specialized cells in the central nervous system with hair-like structures, involved in moving fluid or debris across their surfaces.
Cerebrospinal Fluid
Clear, colorless body fluid found in the brain and spinal cord, providing cushioning and maintaining a stable environment.
Ependymal Cells
Glial cells that line the ventricles in the brain and the central canal of the spinal cord, involved in the production of cerebrospinal fluid.
Reaction Time
The duration it takes for an individual to respond to a stimulus.
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