Glencoe Biology

Section 1: Infectious Diseases

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“Try to answer the following questions before you watch this short video. After watching the video, see if you want to change any of your answers. You can find out more about the subject of the video in this section of your textbook.”

Section 39.1 (2786.0K)

1. What organisms cause human diseases and illnesses?
2. What can you do to protect yourself from getting sick?

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