The Human Ear: Structure and Function

The Human Ear: Structure and Function

Read each question carefully and provide your answers in the space provided. Refer to the diagram of the human ear when necessary.

Figure 1: Cross-section of the Human Ear

1. Which part of the ear is responsible for collecting sound waves?

2. The malleus, incus, and stapes are collectively known as the:

3. The   is a thin membrane that vibrates when sound waves strike it, transferring these vibrations to the ossicles.

4. The fluid-filled, snail-shaped structure in the inner ear that contains the organ of Corti is called the  .

5. The   tube connects the middle ear to the nasopharynx and helps equalize pressure.

6. The semicircular canals are primarily involved in hearing.

7. Nerve impulses from the cochlea are transmitted to the brain via the auditory nerve.

8. Describe the pathway of sound vibrations from the outer ear to the inner ear.

9. Explain the function of the Eustachian tube in relation to ear pressure.

Match each part of the ear with its primary function.