Question

please give the right answer​

Answer 1

Answer

1) depolarization of the terminal membrane,

2) activation of voltage-gated Ca2+ channels,

3) Ca2+ entry,

4) a change in the conformation of docking proteins,

5) fusion of the vesicle to the plasma membrane, with subsequent release of neurotransmitter into the synaptic cleft...

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Answer 2

The reflex arc connections between the input and output nerves meet in a bundle in a the spinal cord .Nerves from all over the body meet at the spinal cord to go to the brain.

So , when there is an injury in spinal cord , the signals and receptors get disrupted.There is no control over the body.And we are not able to coordinate it .

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