Draw a neat and labeled diagram of a neuron and answer the following questions :

(a) What are the two main parts of a neuron?

(b) Is this structure unicellular or multicellular?

(c) Which part of the neuron contains nucleus?

(d) Name the two parts of the human body where neurons are found abundantly.

(e) How are neurons significant to us?

With the help of a suitable example, describe reflex action.

Briefly differentiate between the following by giving examples:

Voluntary and involuntary action.

Briefly differentiate between the following by giving examples:

Inborn and acquired reflexes.