Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :

Motor nerve and sensory nerve (function)

Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :

Cranial and spinal nerves (number in pairs)

Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :

Cerebrum and spinal cord (arrangement of white and grey matter)

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?