Grade 12 Ear Anatomy Worksheet

Grade 12 Ear Anatomy Worksheet

Read each question carefully and provide your best answer. Refer to the provided diagram where necessary.

Refer to the diagram of the human ear below for questions 1-3.

1. Which part of the ear is responsible for amplifying sound vibrations and transmitting them to the inner ear?

2. The Eustachian tube connects the middle ear to the  .

3. The three tiny bones in the middle ear are collectively known as the  , and they include the malleus, incus, and stapes.

4. The   is a spiral-shaped cavity of the inner ear that contains the organ of Corti, which is responsible for hearing.

5. Balance and spatial orientation are primarily maintained by the   and the semicircular canals located in the inner ear.

6. The tympanic membrane is also known as the eardrum.

7. The outer ear primarily functions to funnel sound waves into the ear canal.

8. Describe the pathway of a sound wave as it travels from the outer ear to the auditory nerve.

9. Explain the role of the semicircular canals in maintaining balance.

Match each ear structure with its primary function.