Neurons are used to transmit the messages to brain. The correct option is d.
What are neurons?
Neurons also widely recognized as neurons or nerve cells are the basic units of the brain and nervous system, charge of receiving sensory input from the outside world.
Thys also trying to send motor commands to our muscles, and morphing and relaying electrical signals at every step somewhere between.
Neurons are in charge of transporting information throughout the human body. They help organize all of life's necessary functions by using electrical and chemical signals.
Glial cells and neurons are 2 kinds of prominent brain cells. While neurons are the most numerous in the brain, glial cells outnumber neurons in various areas.
Thus, the correct option is d.
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