Sunday, May 13, 2012

muddiest Point

Hey, its jarod. i got one one question. what dose the myelin sheath do again?






JarodL, Muddiest Point, Human Body

1 comment:

  1. The myelin is a type of fat. By having it wraps around the nerve, it acts as a layer of insulation, which prevents the conduction of electrical pulses. between myelin cells, there are nodes which allows the conduction of pulses. Instead of all the Na/K channels open one after another along the nerve, only the ones that located at the node will open. Once the former node receives a signal, it will generate enough stimulus for the next one to be activated. In labs, scientists prove that this type of conduction, is much faster and more effective in energy conservation.

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