Draw a labelled diagram of a myelinated neuron.

Why is the spinal cord and the brain referred to as the central nervous system?

What is the difference between reflex action and voluntary action?

During a street fight between two individuals, mention the effects on the following organs by the autonomous nervous system, in the table given below: (one has been done for you as an example).

Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:

Boy B starts salivating but not A. Explain the reason for this difference.