Q: What is the term for disease-causing agents, such as bacteria and viruses?


Read this paragraph and choose the correct option from the provided answers:

The body’s first line of defense consists of different types of barriers that keep most pathogens out of the body. Pathogens are disease-causing agents, such as bacteria and viruses. These and other types of pathogens are described in Figure below . Regardless of the type of pathogen, however, the first line of defense is always the same.

 Choices:

- spores

- parasites

- vaccines

- pathogens


A:
pathogens