Question

guys explain about transmission of nerve impulse​

Answer 1

Answer:

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• A nerve impulse is transmitted to another cell at either an electrical or a chemical synapse.
• At a chemical synapse, neurotransmitter chemicals are released from the presynaptic cell into the synaptic cleft between cells.

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• Action potentials are formed when a stimulus causes the cell membrane to depolarize past the threshold of excitation, causing all sodium ion channels to open.
• The action potential travels down the axon as the membrane of the axon depolarizes and repolarizes.
• Myelin insulates the axon to prevent leakage of the current as it travels down the axon.

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Answer 2

Answer:

The nervous system is the part of an animal's body that coordinates its behavior and transmits signals between different body areas. In vertebrates it consists of two main parts, called the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord.