Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. The line of defense that is his immune system exhibiting is that of " first line of defense." There are only 3 lines of defense in the immune system. The first line of defense are a combination of physical and chemical barriers that prevent all types of foreign agents from penetrating the outer layer of the body. In this case, it is the nasal cavity.
The correct answer can be A,
Because that student knows that cutting her self she will bleed and maybe loose a lot of blood.
Its not B , because they didn't plan it.
Its not C , because it was an accident.
dose this Help?
Severe emotional stress — like a breakup — can cause a sudden heart condition that causes the same damage as a heart attack. Heartbreak can be so intense that some scientists suggest it feels the same as physical pain. It might even be true that people can die of a broken heart.
hope this helps.
