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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Problem 13c

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The auditory canal is separated from the middle ear by the round window.

Verified step by step guidance

Step 1: Understand the anatomy of the ear. The ear is divided into three main parts: the outer ear, middle ear, and inner ear. The auditory canal is part of the outer ear, while the round window is part of the inner ear.

Step 2: Identify the structures that separate the auditory canal from the middle ear. The auditory canal leads to the tympanic membrane (eardrum), which separates the outer ear from the middle ear.

Step 3: Recognize the location and function of the round window. The round window is located between the middle ear and the inner ear, not between the auditory canal and the middle ear.

Step 4: Evaluate the statement. Based on the anatomical relationships, the statement 'The auditory canal is separated from the middle ear by the round window' is false.

Step 5: Correct the false statement. The correct statement is: 'The auditory canal is separated from the middle ear by the tympanic membrane.'

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Auditory Canal

The auditory canal, also known as the external auditory meatus, is a tube-like structure that extends from the outer ear to the eardrum. It plays a crucial role in conducting sound waves from the environment to the eardrum, where they are then transmitted to the middle ear. Understanding its anatomy and function is essential for grasping how sound is processed in the ear.

Middle Ear

The middle ear is an air-filled cavity located between the eardrum and the inner ear. It contains three small bones called ossicles (malleus, incus, and stapes) that amplify sound vibrations. The middle ear is separated from the outer ear by the eardrum and from the inner ear by the oval window, not the round window, which is a membrane that separates the middle ear from the cochlea.

Round Window

The round window is a membrane-covered opening located in the cochlea of the inner ear. It serves as a pressure release valve for the fluid waves created by sound vibrations in the cochlea. Understanding the role of the round window is important for comprehending how sound waves are transformed into neural signals for the brain.