Paragraph Two Inside your nose, there are hundreds of tiny hairs. These hairs filter the air you breathe. Sometimes dust and pollen find their way through these hairs andbother your nasal passages. The nerves in the lining of your nose tell your brai

Paragraph Two Inside your nose, there are hundreds of tiny hairs. These hairs filter the air you breathe. Sometimes dust and pollen find their way through these hairs andbother your nasal passages. The nerves in the lining of your nose tell your brain that something is invading your body. At this moment you usually sneeze. 37. An automatic r__________of　our body.

reaction/ response