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

13. The Peripheral Nervous System

Introduction to Sensory Receptors

Anatomy & Physiology

13. The Peripheral Nervous System

Introduction to Sensory Receptors

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Multiple Choice

Where are sound vibrations converted into nerve impulses in the auditory system?

Cochlea

Eustachian tube

Auditory canal

Tympanic membrane

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Verified step by step guidance

Understand the basic anatomy of the ear: The ear is divided into three main parts - the outer ear, the middle ear, and the inner ear. Each part plays a crucial role in the process of hearing.

Identify the function of each part: The outer ear collects sound waves and directs them into the ear canal. The middle ear contains the tympanic membrane (eardrum) and ossicles, which amplify sound vibrations. The inner ear contains the cochlea, which is responsible for converting these vibrations into nerve impulses.

Focus on the cochlea: The cochlea is a spiral-shaped, fluid-filled structure in the inner ear. It contains hair cells that move in response to sound vibrations. This movement generates electrical signals.

Explain the conversion process: As sound vibrations enter the cochlea, they cause the fluid inside to move. This movement bends the hair cells, which then convert the mechanical energy of the vibrations into electrical signals (nerve impulses).

Conclude with the pathway of nerve impulses: These electrical signals are transmitted via the auditory nerve to the brain, where they are interpreted as sound. This process highlights the cochlea's role in converting sound vibrations into nerve impulses.