An introduction to the anatomy and physiology of the speech and hearing systems in humans. The fourth number of the course code shows the level of the course. For example, in course 219206, the fourth ...

Hearing, it's one of our most essential senses. And these amazing orifices allow us to hear all the sounds in the world. Why is the PA back there laughing? Do I look ridiculous? I do, don't I? I'm ...