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

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

In the process of hearing, the bending of which structures leads to the nerve signals that are interpreted as sound?

Ossicles in the middle ear

Tympanic membrane

Hair cells in the cochlea

Eustachian tube

Previous problemNext problem

Verified step by step guidance

Understand the 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 structures involved in sound transmission: Sound waves enter through the outer ear and cause the tympanic membrane (eardrum) to vibrate. These vibrations are then transmitted through the ossicles (malleus, incus, and stapes) in the middle ear.

Focus on the inner ear: The vibrations from the ossicles are transferred to the cochlea in the inner ear. The cochlea is a spiral-shaped, fluid-filled structure that contains the sensory organ for hearing.

Examine the role of hair cells: Inside the cochlea, there are specialized sensory cells known as hair cells. These cells have hair-like projections called stereocilia that bend in response to fluid movement caused by sound vibrations.

Connect hair cell movement to nerve signals: The bending of the stereocilia on the hair cells opens ion channels, leading to a change in the electrical potential of the hair cells. This change generates nerve signals that are sent to the brain via the auditory nerve, where they are interpreted as sound.