Biology, 14.10.2019 21:00 faithyholcomb

Which option correctly describes the nature of nerve signals?

nerve signals are electrical. they move along nerve cells from the point of contact to the spinal cord and then to the heart.
nerve signals are electrical. they move along nerve cells from the point of contact to the spinal cord and then to the brain.
nerve signals are mechanical. they move along nerve cells from the point of contact to the spinal cord and then to the heart.
nerve signals are mechanical. they move along nerve cells from the point of contact to the spinal cord and then to the brain.

Which option correctly describes the nature of nerve signals? nerve signals are electri

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Which option correctly describes the nature of nerve signals?

nerve signals are electri...