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USPshnik [31]
3 years ago
13

Larry is taking a walk in the park. Pollen in the air makes me sneeze constantly. Well on the defense is his immune system exhib

iting?
Health
1 answer:
Artemon [7]3 years ago
7 0

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.

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