Question

Neurons have an extremely low rate of cell division. Which of the following helps to explain why their rate is low?

A.
Neurons are easily damaged by outside forces and must be replaced often.
B.
Neurons differentiate into three types of specialized cells with different functions.
C.
Neurons transmit information using electrical signals that travel along their length.
D.
Neurons must remain interconnected to transmit and process information.

Answer 1

Neurons have a low rate of cell division because they need to maintain stable interconnections for effective signal transmission (Option D). Neurons are specialized cells with parts like dendrites, axons, and myelin sheaths, all of which facilitate the rapid and precise communication within the nervous system.

Step-by-step explanation:

Neurons have an extremely low rate of cell division, and the correct explanation for why their rate is low is that neurons must remain interconnected to transmit and process information (Option D). Neurons are highly specialized cells that play a critical role in transmitting information throughout the nervous system. The structure of neurons includes the cell body, dendrites for receiving signals, and an axon for sending signals. The axon can be insulated by a myelin sheath, which speeds up the signal transmission process. Signal transmission occurs at the synapse, a gap between neurons where neurotransmitters are released to stimulate the next neuron or target. This intricate and interconnected network requires stability, and consequently, the regeneration and division of neurons are limited to maintain the established circuitry of the nervous system.