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3. This organ helps us see the world around us.

i. A ii. B iii. C iv. D v. E

4. This is a vital respiratory organ.

i. A ii. B iii. C iv. D v. E

5. This organ helps to hear a variety of sounds.

i. A ii. B iii. C iv. D v. E

III. Match the following.

1. Skin ( ) a. A muscular organ

2. Tongue ( ) b. A snail-shaped organ

3. Septum ( ) c. A fleshy surface

4. Cochlea ( ) d. A tiny passage

5. Eustachian tube ( ) e. Made of cartilage

IV. Answer the following questions in one or two sentences.

1. What is iris? What does it do?

2. What is cornea?

3. Define pinna.

4. What are nostrils?

5. Define mucosa.

V. Answer the following questions in three to six sentences.

1. Describe the parts of the ear.

2. Write about the septum.

3. How does the tongue help us?

4. What does the skin do for us?

5. How should we take care of sense of taste and sense of smell?

6. How should we take care of our skin?
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