The Tubular Structure That Moves Food by Peristalsis from the Mouth

question 26

Multiple Choice

The tubular structure that moves food by peristalsis from the mouth to the stomach is the

• A)epiglottis.
• B)trachea.
• C)tongue.
• D)esophagus.
• E)glottis.

---

Definitions:

Test Statistic

A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.

Expected Frequency

The anticipated number of times an event is predicted to happen within a specific time period, based on probability models.

Null Hypothesis

A statement in statistical hypothesis testing that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Total Sample Size

The number of observations or data points collected in a statistical sample.