Circular Muscles That Control the Flow of Food and Fluids

question 40

Multiple Choice

Circular muscles that control the flow of food and fluids between organs of the GI tract are called:

• A) intestines.
• B) sphincters.
• C) contractions.
• D) peristalsis.
• E) villi.

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Definitions:

Normal Population

A population that follows a normal distribution, where the mean, median, and mode are equal, and the data symmetrically distributes around the mean.

Degrees Of Freedom

The quantity of unique variables or figures permissible in a statistical distribution adhering to set restrictions.

Chi-squared Test

A statistical method used to determine if there is a significant association between two categorical variables.

Null Hypothesis

A theory positing no substantial variance between designated groups, attributing any noted disparity to errors in sampling or experimentation.