Lesson 9 - The Ear

In this lesson you will learn about

1. Watch this video to learn about hearing and balance. 

2. Once you've watched the video answer the questions from this document. These questions will help make sure that you correctly understand the information from the lesson.

3. Read Chapter 12 pages 419-425 from the textbook for a deeper understanding of this material.

4. a) Complete the practice questions from this document. 

b) Check your answers here

This PowerPoint outlines all the main points that you need to know from this lesson. You can use this PowerPoint as a review when you revisit this information at a later date.

Self Assessment Section. Have you come away from the lesson knowing all of the things that you need to know?

i) I can define these words

outer ear pinna auditory canal
middle ear tympanum ossicles
oval window Eustachian tube inner ear
cochlea organ of Corti basilar membrane
hair cells tectorial membrane semicircular canals
rotational equilibrium utricle saccule
gravitational equilibrium otoliths proprioceptors

ii) I can explain the process of hearing beginning with soundwaves, as they pass through the structures of the ear until they get to the brain.

iii) I can why the semicircular canals function to provide three dimensional balance.