Exam (elaborations)
Biology, Chapter 13: Body Defense Mechanisms (Immunology Questions And Answers)
- Course
- Institution
Biology, Chapter 13: Body Defense Mechanisms (Immunology Questions And Answers) Chemical and physical surface barriers - ANS-The first line of defense: Nonspecific physical and chemical surface barriers. Keeps foreign organisms or molecules out of the body in the first place. Examples are ski...
[Show more]