Because Many of the Same Cardiac Cells Are Innervated by Both

question 27

True/False

Because many of the same cardiac cells are innervated by both parasympathetic and sympathetic fibers, the influence of the two divisions on the heart is synergistic, meaning contraction is strongest when both divisions act together.

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Definitions:

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without any need for learning.

Vicarious Response

A reaction experienced in response to observing another person's experiences or emotions.

Learning

The acquisition of knowledge, skills, values, or behaviors through study, experience, or teaching.

Permanent Change

A lasting alteration in behavior, situation, or environment that does not revert back to its original state.