No, that's fine: In this day and age, people should not spit out their "spit". Swallowing spit, mucus, etc..., lets the stomach acid treat it and allows the body to digest it to recycle any valuable components (proteins, amino acids, iron, etc...). Leave a smaller footprint on our planet... Recycle! that means don't spit on the sidewalk.
Answered 5/21/2013
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