Answer:
I think it is :
A) To move air toward the lungs while warming, moistening, and filtering it.
Ways society can be affected by stds or stis are sexual contact, and the mixing of bodily fluids such as blood, spit (in some stds or stis), sweat (only in some stds or stis), urine, etc.
The answer is B. Fragile… Osteoporosis is a condition that makes bones more fragile. ( risk of breaking easy)
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