EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A single fiber in the neuron that carries impulses away from the cell body:
A
axon
B
dendrite
C
myelin sheath
D
nucleus
Explanation: 

Detailed explanation-1: -The axon is a single protoplasmic fiber that extends from the cell body. It is the longest part of the neuron which conducts impulses away from the cell body. They have vesicles containing neurotransmitters at their axon terminals .

Detailed explanation-2: -axon, also called nerve fibre, portion of a nerve cell (neuron) that carries nerve impulses away from the cell body. A neuron typically has one axon that connects it with other neurons or with muscle or gland cells.

Detailed explanation-3: -Typical neurons have several dendrites-branching processes that conduct impulses toward the cell body, and a single axon-a long straight process that conducts impulses away from the cell body. Axons are often referred to as nerve fibers.

Detailed explanation-4: -A typical neuron has a cell body containing a nucleus, one or more branching filaments called dendrites which conduct nerve impulses towards the cell body and one long fibre, an axon, that carries the impulses away from it.

Detailed explanation-5: -The Synapse The place where the axon of one neuron meets the dendrite of another is called a synapse. Synapses are also found between neurons and other types of cells, such as muscle cells.

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