Selina solutions

Selina solutions

Grade 8

Nervous System | Long Answer Questions (LA)

Question 1

Q1) With the help of a suitable diagram describe the structures of a neuron .

Solution :

The nervous is made up of specialized cells called nerve cells or neurons.

A neurons have three parts; cell body(soma/ cyton), Axon, Dendrite.

Axons are tube like structures originating from the cell body. They help in transmission of electrical impulses.

Thay neuron also consist of a cell body like other cells which consist of nucleus and other cellular components.

The dendrites helps in transmission of the nerve impulse from one neuron to other.

A nerve impulse is transmitted from one neuron to another neuron when the dendrite of a neuron receives the nerve impulse from the axon terminal of the previous neuron.

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subject-cta

Question 1

Q1) With the help of a suitable diagram describe the structures of a neuron .

Solution :

The nervous is made up of specialized cells called nerve cells or neurons.

A neurons have three parts; cell body(soma/ cyton), Axon, Dendrite.

Axons are tube like structures originating from the cell body. They help in transmission of electrical impulses.

Thay neuron also consist of a cell body like other cells which consist of nucleus and other cellular components.

The dendrites helps in transmission of the nerve impulse from one neuron to other.

A nerve impulse is transmitted from one neuron to another neuron when the dendrite of a neuron receives the nerve impulse from the axon terminal of the previous neuron.

Still have questions? Our expert teachers can help you out

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subject-cta
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