Which of the following correctly explains the reason a neuron has branch-like structures on the cell body and at the end of the axon?
A. The branch-like structures have no specific function.
B. The branch-like structures provide insulation to the neuron and protect it from blood cells.
C. The branch-like structures provide maximum surface area for the cell to absorb nutrients.
D. The branch-like structures serve as sites for signals to pass from one neuron to the next.