Muscles Can Vary Their Force Mainly by Which of the Following

question 11

Multiple Choice

Muscles can vary their force mainly by which of the following ?

• A) Recruiting more motor units
• B) Increasing the length of the muscle
• C) Increasing the frequency of stimulation of recruited motor units
• D) Increasing the phosphorylation of myosin light chains
• E) A and C are correct

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Definitions:

Continuous Random Variables

Continuous random variables are quantities that can assume an infinite number of values within a given range, often corresponding to measurements.

Normal Distributions

A distribution where the likelihood of data occurring decreases as the distance from the mean increases, all the while maintaining a symmetrical shape around the mean.

Discrete Random Variable

A random variable that can take on only a finite or countably infinite set of distinct values.

Text Messages

Short, digital communications sent over cell phone networks.