Answer:
Dendrites.
Step-by-step explanation:
Neurons is the structural and functional unit of the nervous system. The nerve cell helps in the transmission of nerve impulse and carry information from one part of the brain to the another part.
Dendrites are the long thread like extension of the nerve cells. The main function of the dendrites is to receive information from the different places and acts like the mailbox of the body.
Thus, the answer is dendrites.