Question

about neurons and nervous system​

Answer 1

Neuron
Neurons (also known as neurones, nerve cells and nerve fibers) are electrically excitable cells in the nervous system that function to process and transmit information.

In vertebrate animals, neurons are the core components of the brain, spinal cord and peripheral nerves.

Neurons are typically composed of a soma, or cell body, a dendritic tree and an axon.

The majority of vertebrate neurons receive input on the cell body and dendritic tree, and transmit output via the axon, although there is great heterogeneity throughout the nervous system, as well as throughout the animal kingdom, in the size, shape and function of neurons.

For invertebrate neurons, the information flow is less well defined.

Neurons communicate via chemical and electrical synapses, in a process known as synaptic transmission.

The fundamental process underlying synaptic transmission is the action potential, a propagating electrical signal that is generated by exploiting the electrically excitable membrane of the neuron.

Neurons are highly specialized for the fast processing and transmission of cellular signals.










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Answer 2

Answer:

neurons are the structural and functional units of the nervous system

nervous system is of 2 types central and peripheral

IN central we have brain and spinal cord

In peripheral nervous system (PNS) is the division of the nervous system containing all the nerves that lie outside of the central nervous system (CNS). The primary role of the PNS is to connect the CNS to the organs, limbs, and skin.

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