Food Is Moved Through the Digestive System by ____

question 55

Multiple Choice

Food is moved through the digestive system by ____.  

• A) sphincters
• B) accessory organs
• C) smooth muscle contractions
• D) movement of villi
• E) skeletal muscle contractions

---

Definitions:

Chi-Squared Distribution

A probability distribution used in hypothesis testing that is applicable to categorical data and tests of independence.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one, used as a basis in probability theory.

Nominal Data

Nominal data refers to categorical data that can be named or labeled but not meaningfully ordered.

Confidence Interval

A set of values, procured from sample-based observations, deemed likely to hold the value of a non-specified population characteristic.