1) 1. The first line of defense is Skin and Mucus. a) True  b) Fales 2) 2. By laughing, the body rids itself of microorganisms. a) True b) Fales 3) 3. It is important to cover your mouth and nose when you sneeze to prevent the spread of these microorganisms. a) True b) Fales 4) 4- These hairs and mucus trap dust and germs from the air you breathe. a) True b) Fales 5) 5. The skin stops microorganisms from entering the body . a) True b) Fales

8th CH 24 COMPREHENSION

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