Question

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Answer 1

Answer:

tooth decay - Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes. Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.

digestive system - The organs that take in food and liquids and break them down into substances that the body can use for energy, growth, and tissue repair.

Ingestion -

the process of taking food, drink, or another substance into the body by swallowing or absorbing it.

Explanation:

I think it's clear for you. can i know your standard.