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forsale [732]
3 years ago
7

Which is the most important thing you can do to protect your respiratory system? 1 limit smoking 2avoid respiratory infections 3

do not smoke 4 get regular exercise
Health
2 answers:
blagie [28]3 years ago
8 0
Get regular exercise
Nikitich [7]3 years ago
5 0
Get regular exercise

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