Question

how the message reach to brain ???​

Answer 1

Question:-

how the message reach to brain ?

Answer:-

The brain sends signals to the body in the same way that it sends messages to itself, the neuron fires and action potential, this current travels down the axon until it reaches the synapse, this releases chemicals which then cause the next neuron to fire.

The brain sends signals to the body in the same way that it sends messages to itself, the neuron fires and action potential, this current travels down the axon until it reaches the synapse, this releases chemicals which then cause the next neuron to fire.The same thing can be said for muscle cells and other receptors, there's just a transform of the signal medium (electrical to chemical to mechanical etc)

Answer 2

It goes through the CNS ( central nervous system that is brain and spinal cord)

Muscles move on commands from the brain. Single nerve cells in the spinal cord, called motor neurons, are the only way the brain connects to muscles. When a motor neuron inside the spinal cord fires, an impulse goes out from it to the muscles on a long, very thin extension of that single cell called an axon.

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