Human Physiology

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Question 1 of 100

Which among the following statements regarding the human digestion process is INCORRECT?

Select Your Answer:

Digestion begins from the mouth of an organism.

Gastric acid is about 0.5% hydrochloric acid.

The gastric phase is stimulated by distension of the stomach.

The gastric phase occurs at the sight, thought and smell of food.

The human gastrointestinal tract is around 9 m long.

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