Information is received by fibers that extend out one end of the cell called

Neurons, act as the communicators of the nervous system. Neurons receive information, integrate it, and pass it along. They communicate with one another, with cells in the sensory organs, and with muscles and glands.

Information was taken from: http://www.sparknotes.com/psychology/psych101/thebrain/section2/

In case you would like to do further reading.

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide