The Structure Enabling Depolarization to Travel Deep into the Muscle

question 1

Multiple Choice

The structure enabling depolarization to travel deep into the muscle fiber is the ______.

• A)sarcomere
• B)motor unit
• C)T tubule
• D)sarcoplasmic reticulum

---

Definitions:

Y-intercept

The point where a line crosses the y-axis on a graph, representing the value of the dependent variable when the independent variable is zero.

Simple Linear Regression

A statistical method that models the relationship between a dependent variable and one independent variable by fitting a linear equation to the observed data.

Response Variable

The variable in a study or experiment that is assumed to depend on or be affected by changes in another variable (often called the independent variable).

Explanatory Variable

A variable in a statistical model that is believed to cause or explain changes in the response variable.