Table of contents

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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 structure of the external ear collects sound waves?

Pinna

Tympanic membrane

Eustachian tube

Cochlea

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Verified step by step guidance

Identify the structures listed in the problem: Pinna, Tympanic membrane, Eustachian tube, and Cochlea.

Understand the function of each structure: The Pinna is the visible part of the ear that collects sound waves and directs them into the ear canal.

Recognize that the Tympanic membrane, also known as the eardrum, vibrates in response to sound waves but does not collect them.

Note that the Eustachian tube helps equalize pressure in the middle ear but is not involved in collecting sound waves.

Acknowledge that the Cochlea is part of the inner ear responsible for converting sound vibrations into neural signals, not for collecting sound waves.