The glial cells forming myelin sheaths are called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier.
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Answer:
Explanation:
In the North, ______ were used to keep black and white people apart.
ASocial customs incorrect answer
BState laws incorrect answer
CFederal laws incorrect answer
DCourt orders
<span>cardiorespiratory endurance</span>
The answer is 20 minutes a day in order to have an effective cardio exercise.
