Answer:
Which of these processes occurs in the mouth?
D. all of the above
Because;
Ingestion - Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in a substance through the mouth into the gastrointestinal tract; such as through eating or drinking.
Chemical ingestion - Poisoning is a condition or a process in which an organism becomes chemically intoxicated by an exogenous substance, usually by ingestion or external exposure.
Mechanical ingestion - Mechanical ingestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes.
Explanation:
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