Which part of the neuron manufactures substances that the neuron grow?

The correct answer is "Cell Body".

Explanation:

The soma, or the cell body, of the neuron is the center of the neuron, it contains the nucleus and serves as a connection to the dendrites and axon, who receive and send the information, respectively. The cell body of the neuron also serves as the part of the neuron that manufactures substances that help the neuron grow. It is common to think the cell body as the factory where the energy of the neuron is produced.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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