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Because saliva contains bacteria from your mouth.

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16y ago

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Related Questions

How do you use contaminate in a sentence?

i have contaminate the food by putting my dirty hand on the food.


Do flies contaminate food?

Yes


Does freon contaminate food?

If it gets into food yes! It is poisonous.


Can bleach fumes contaminate food?

Yes, bleach fumes can contaminate food if the food is exposed to the fumes directly or if the fumes are present in the air around the food. It is important to keep bleach and food separate to prevent contamination.


Is spitting in food at home a crime in England?

No - not in your own food in your own home.


How does a virus food contamination?

pests contaminate food by landing on the food and leaving there waste ,if you may, like flies whenever they land they vomit, leave waste, and urine. pests also contaminate food just by carrying diseases.


What is it called when the ball of food leaves the mouth?

When food is intentionally expelled from the mouth, it is called spitting out or spitting up. If it is unintentional, it may be referred to as regurgitation or vomiting.


How does food harm your environment?

through organisms which contaminate food like house fly


How can wounds that are not properly covered contaminate food?

cross contamination


Where is the food swllowed?

Most countries encourage people to swallow food rather than spitting it out.


How do houseflies feed?

By spitting juices on the food, then slurping the mixture up.


What personal behaviors can contaminate food?

Some behaviors that can contaminate food include toileting, not washing hands, chewing fingernails, picking nose, bad body odor, and scratching face or behind.