1.

The brain and the spinal cord are part of the

2.

Which of these is not a sense organ?

3.

The Central Nervous System consists of

4.

Which of the following is characteristic of reflex action?

5.

All the following are sense organs except the

6.

Which of the following organs is the center of the Central Nervous System?

7.

Which of the following is the sense organ for sight?

8.

The outer ear is also referred to as

9.

10.

The central nervous system is made up of the

11.

Which of the following is a structure in the ear?

12.

The main parts of the central nervous system are the

13.

Which of the following activities is a reflex action?

14.

Which of the following parts of the human body are sense organs?

I. Tongue
II. Hair
III. Nose
IV. Skin

15.

Which of the following pairs of organs are part of the central nervous system?

16.

The ear is the organ for detecting

17.

The part of the human ear which collect and direct sound waves is the

18.

One disease that affects the nervous system of humans is

19.

A reflex action involves the

20.

Which of the following structures is not part of the central nervous systems?

21.

The outer ear consists of the

22.

Changes in pressure in the middle ear is regulated by the

23.

The central nervous system consists of the

24.

Which of the following diseases affects the central nervous system?

25.

A reflex action involves the