Question

Which of the following describes the immune system's second line of defense?

Phagocytes are released out of blood vessels into the damaged area, they engulf damaged cells which results in inflammation.


Physical and chemical barriers, including the body's mucous membranes, prevent pathogens from entering into the body.


Lymphocytes called Killer T Cells attack pathogens and destroy them.


Lymphocytes called B Cells create antibodies that remember a pathogen for future infections.

Answer 1

A

Step-by-step explanation:

Phagocytes are released out of the blood vessels into the damaged area. They engulf damaged cells which results in inflammation.