If an Unexpected Event Unrelated to the Independent Variable Occurs

question 6

Short Answer

If an unexpected event unrelated to the independent variable occurs during the experiment and influences the dependent variable,the experiment suffers a(n)______ threat.

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Definitions:

Pylorus

The part of the stomach that connects to the duodenum and acts as a valve to control the flow of partially digested food.

Stomach Mucosa

The inner lining of the stomach that contains glands producing gastric juice necessary for digestion.

Rugae

Folds or wrinkles found in the stomach lining, which allow it to expand when food enters.

Pancreas

A gland behind the stomach that secretes digestive enzymes into the duodenum and insulin and glucagon into the bloodstream.