Question

Rearrange the following in the correct order of involvement in electrical impulse movement-Synaptic knob, dendrites, cell body, Axon terminal, Axon

Answer 1

Cell body or cyton:

• Cell body receives nerve impulse from dendrites and transmits it to the axon.

Dendrites:

• Dendrites are processes that extend from the cyton and receive nerve impulse from the synaptic bulb of the previous neuron. The nerve impulse is then transferred to the cyton.

Axon:

• Axon is the longest part of the neuron .It conducts nerve impulse away from the cell body.

Synapse and synaptic knob.:

• Synapse is a junction between two neurons or between a neuron and an effector cell.
• The tip of axon terminals swell into bulb-shaped structures called synaptic knobs that contain synaptic vesicles. These vesicles store neurotransmitters for conduction of the nerve impulse to the next neuron across the synapse.

Summary:

• Dendrites receive the nerve impulse and transmit it to the cell body.
• Cell body receives and transmits the nerve impulse to the axon.
• Axon receives and conducts the nerve impulse away from the cell body to the axon terminal.
• Synaptic knob present at the axon terminal releases the neurotransmitters that pass through the synapse and conduct the nerve impulse to the next neuron or effector cell.
• The correct order of involvement of the given parts of neuron in electrical impulse is Dendrites → Cell body → Axon → Axon terminal → Synaptic Knob. Part

Diagram:

Final answer:
Dendrites → Cell body → Axon → Axon terminal → Synaptic knob