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Special Senses WS 3 Read pages 294295 and answer the following questions. 1. Sensory receptors in the ear are known as ________________. 2. Label the parts of the ear: 3. What is the size of the external acoustic meatus? 4. What do ceruminous glands produce? 5. What is the purpose of earwax?

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Page 1: Special Senses WS 3 - Barnesville Public Schools / Homepage · 2016-09-01 · Special Senses WS 3 Read pages 294295 and answer the following questions. 1. Sensory receptors in the

Special Senses WS 3Read pages 294­295 and answer the following questions.

1. Sensory receptors in the ear are known as ________________.

2. Label the parts of the ear:

3. What is the size of the external acoustic meatus?

4. What do ceruminous glands produce?

5. What is the purpose of earwax?

Page 2: Special Senses WS 3 - Barnesville Public Schools / Homepage · 2016-09-01 · Special Senses WS 3 Read pages 294295 and answer the following questions. 1. Sensory receptors in the

6. What structure marks the end of the external ear?

7. The middle ear is also called the ________________.

8. The middle ear is filled with ____________________.

9. What connects the middle ear with the throat?

10. Why is hearing difficult when you fly in a plane?  (don’t just say pressure)

11. Why is chewing gum helpful when flying?

12. What is otitis media?

13. Why do children get ear infections more commonly than adults?

14. How do tubes help to alleviate the problem of chronicear infections?

15. Why is it a bad idea to feed a baby when they are lying flat on their backs?

16. What is the function of the auditory ossicles?

17. Sound vibrations eventually enter the inner ear after passing through what structure?