What is the need for a system of control and coordination in human beings?

Name the part of neuron:

(i) through which information is acquired.
(ii) through which information travels is an electrical impulse.

(i) Name the parts labelled A and B in the neuron drawn above.

(ii) Which part acquires the information in the neuron?

(iii) Through which part does the information travel?

(iv) In what form does this information travel?

(v) Where is the impulse converted into a chemical signal for onward transmission?