Cardiovascular System Guide: Heart Health & Exercise Effects

What are the four parts of the cardiovascular system? Understand how exercise, smoking, and serotonin influence heart health and normal cholesterol ranges.

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Characteristics of Cardiac Muscle Tissue

Cardiac muscle is specialized tissue that is found only in the heart. It has characteristics similar to both smooth and skeletal muscle tissue, as well as specialized properties, that allow it to function with fast but sustained contractions, rapid conduction and coordinated movement.

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