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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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

Which part of the ear is responsible for carrying sound messages to the brain?

Ossicles

Eardrum

Cochlea

Auditory nerve

Previous problemNext problem

Verified step by step guidance

Step 1: Understand the anatomy of the ear and its components. The ear is divided into three main parts: the outer ear, middle ear, and inner ear. Each part plays a specific role in hearing and transmitting sound signals.

Step 2: Learn the function of the ossicles, eardrum, and cochlea. The ossicles (malleus, incus, and stapes) amplify sound vibrations in the middle ear. The eardrum (tympanic membrane) vibrates in response to sound waves, transmitting them to the ossicles. The cochlea, located in the inner ear, converts sound vibrations into electrical signals through hair cells.

Step 3: Recognize the role of the auditory nerve. The auditory nerve (also known as the cochlear nerve) is responsible for carrying the electrical signals generated by the cochlea to the brain, specifically to the auditory cortex in the temporal lobe, where sound is processed and interpreted.

Step 4: Compare the functions of the listed structures. While the ossicles, eardrum, and cochlea are essential for sound transmission and conversion, only the auditory nerve directly carries sound messages to the brain.

Step 5: Conclude that the auditory nerve is the correct answer because it is the structure responsible for transmitting sound information from the ear to the brain for interpretation.