Tutorial: Types and Causes of Disease
What causes disease?
Diseases have a variety of causal organisms. An organism that causes disease is called a pathogen. You have heard of the pathogens called bacteria and viruses, but there are other organisms that make us ill. Let's begin with a tutorial on types of diseases and how they spread.
Select the play button to begin the tutorial, and then use the navigation buttons to pause/stop, continue, or reset the tutorial. View the presentation as often as you would like, and take notes as you follow along. Be sure to set your volume at a reasonable level before you begin.
