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Cardiac muscle cells, or cardiomyocytes, are unique due to their striated appearance and involuntary contraction, which is regulated by the autonomic nervous system. They possess intercalated discs that facilitate rapid electrical conduction and synchronized contractions, essential for efficient heart function. Unlike skeletal muscle cells, cardiomyocytes have a single, centrally located nucleus and are capable of spontaneous rhythmic contraction, allowing the heart to beat continuously without external stimulation. Additionally, they have a higher density of mitochondria to meet their energy demands.

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3mo ago

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What type of muscle is the heart formed from?

The heart is made of smooth and cardiac muscle


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No, cardiac muscle cells are branched but skeletal muscle cells are linear and do not branch


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cardiac muscle cells are joined by intercalated disks.


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The myocardium is composed of cardiomyocytes, which are specialized muscle cells that form the heart muscle tissue. These cells are responsible for contraction of the heart and pumping blood throughout the body.


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Cardiac muscle cells cannot regenerate, meaning that they have limited ability to repair and replace damaged muscle tissue. This is because most cardiac muscle cells are terminally differentiated and do not undergo cell division.


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so electrical impulses can be carried freely between cells


What Cardiac Muscle makes up what organ?

Cardiac muscle is made of cardiac muscle cells. Cardiac muscle is under the control of the autonomous nervous system and is not susceptible to fatigue


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Cells that are the same form tissues. Muscle cells form muscle tissue.