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salantis [7]
3 years ago
10

Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. What line of defense is his immune system

exhibiting?
Health
2 answers:
densk [106]3 years ago
8 0
His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
andrew-mc [135]3 years ago
3 0
It is the first line of defense because when the pollen goes on the person, the human skin acts like an chemical barrier which protects it from. 
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