Identify the Following Terms

question 85

Short Answer

Identify the following terms.
-the Romanovs and Peter the Great

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord.

Stem Cells

Undifferentiated cells capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.

Myelin Sheath

A protective covering that surrounds axons of some neurons, which helps increase the speed at which nerve impulses travel.

Signals

In communication, signals are transmitted information or stimuli that convey messages between individuals or systems.