Answered

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Multiple Choice Question

What does it mean that cardiac cells are autorhythmic?

A. They contract without any external stimulus.
B. They depend on the nervous system for rhythmic contractions.
C. They rely on external electrical impulses to maintain rhythm.
D. They are incapable of maintaining a regular rhythm.

Sagot :

GinnyAnswer

Final answer:

Autorhythmicity in cardiac cells allows them to independently generate electrical impulses, coordinating heart contractions.


Explanation:

Autorhythmicity in cardiac cells refers to their ability to generate and conduct electrical impulses independently, initiating heart contractions. These specialized cells, such as the SA node, establish the heart's rhythm and coordinate its beating. The interconnected nature of cardiac muscle cells allows for the propagation of electrical signals through the heart.


Learn more about Cardiac cells autorhythmicity here:

https://brainly.com/question/42972171


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