Which Layer of the Digestive Tract Contains Glands, Blood Vessels

question 1

Multiple Choice

Which layer of the digestive tract contains glands, blood vessels, lymphatic vessels, and nerves?

• A) Mucosa
• B) Submucosa
• C) Muscularis
• D) Serosa

---

Definitions:

F-statistic

A ratio used in statistical analysis to assess the significance of a group of variables in a regression model relative to the variation unexplained by the model.

Degrees of Freedom

The number of independent values or quantities that can vary in the analysis of statistical data.

Treatments

The different levels or categories of the independent variable applied in an experiment.

Sum of Squared Errors

The total of the squared differences between the observed values and the values predicted by a model or the mean.