Multiple choice

In mammals, the entry of ions in the neural cell is governed by ___________.

  1. dendrites

  2. channels

  3. myelin sheaths

  4. meninges

  5. axon hillock
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The channels are made up of glycoproteins. The ions cross through their channels by electrical potential. Through the channels, the ions which are mainly carried in physiological conditions are sodium, potassium, calcium and chlorine.

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