What is the myelin sheath?
BIO: Nervous System

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Biology
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9th Grade
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1.
FLASHCARD QUESTION
Front
Back
The myelin sheath is an insulating layer that forms around the axon of a neuron, enabling electrical signals to travel faster.
2.
FLASHCARD QUESTION
Front
What is the purpose of the myelin sheath on the axon?
Back
The purpose of the myelin sheath is to improve the conductivity of electrical signals along the axon.
3.
FLASHCARD QUESTION
Front
What is a synapse?
Back
A synapse is the tiny gap between neurons where nerve impulses are transmitted from one neuron to another.
4.
FLASHCARD QUESTION
Front
What part of the neuron takes information away from the cell body?
Back
The axon takes information away from the cell body.
5.
FLASHCARD QUESTION
Front
What part of a neuron receives impulses from the cell body?
Back
The dendron receives impulses from the cell body.
6.
FLASHCARD QUESTION
Front
What is the function of dendrites?
Back
Dendrites are extensions of a neuron that receive signals from other neurons and transmit them to the cell body.
7.
FLASHCARD QUESTION
Front
What is the role of neurotransmitters?
Back
Neurotransmitters are chemical messengers that transmit signals across the synapse from one neuron to another.
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