Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

15. The Special Senses

Introduction to Special Senses

Anatomy & Physiology

15. The Special Senses

Introduction to Special Senses

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Multiple Choice

Which is the correct order of the flow of sound waves to the hair cells in the auditory pathway?

Cochlea, tympanic membrane, ossicles, oval window

Oval window, tympanic membrane, ossicles, cochlea

Tympanic membrane, ossicles, oval window, cochlea

Ossicles, tympanic membrane, cochlea, oval window

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Verified step by step guidance

Begin by understanding the anatomy of the ear and the auditory pathway. Sound waves travel through different structures in a specific order to reach the hair cells in the cochlea.

The process starts when sound waves enter the ear canal and strike the tympanic membrane (eardrum), causing it to vibrate.

These vibrations are then transmitted to the ossicles, which are three tiny bones in the middle ear known as the malleus, incus, and stapes. The ossicles amplify the sound vibrations and transfer them to the next structure.

The stapes, the last of the ossicles, connects to the oval window, a membrane-covered opening to the cochlea. The vibrations from the stapes are transmitted through the oval window into the fluid-filled cochlea.

Inside the cochlea, the sound waves cause the fluid to move, which in turn stimulates the hair cells. These hair cells convert the mechanical vibrations into electrical signals that are sent to the brain via the auditory nerve.