Name the structural and functional unit of nervous system.

Which hormone:

(a) prepares the body for action?

(b) controls the amount of glucose in blood ?

(c) gives boys a deep voice?

(d) gives girls soft skin?

When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what the following are examples of:

(a) the smell of the food

(b) the cells in your nasal passages which perceive the smell

(c) the gland which is stimulated to secrete saliva.

Draw a flow chart to show the classification of nervous system into various parts.

What is autonomic nervous system? What is its function?