List three ways in which neurons are similar to other cells.

A person walks across a room in bare feet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.

In what ways are puberty and adolescence result of the activity of some glands in the human body?

Explain the difference between each of the following pairs of terms:

(a) receptor and effector

(b) cerebrum and cerebellum

What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.