The part of the digestive system where the breakdown of proteins starts from is the: stomach.
What is the Stomach?
The stomach is referred to as the internal organ where most of the chemical reactions occur in humans and most mammals.
In the stomach, the digestive enzyme, known as pepsin is secreted which aids in the digestion of protein.
Therefore, the part of the digestive system where the breakdown of proteins starts from is the: stomach.
Learn more about the stomach on:
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