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.

heart

What Is the Difference Between Smooth & Cardiac Muscle?

When you think of muscle, skeletal muscle, which helps you move, might be what first comes to mind. But other types of muscle tissue, such as cardiac and smooth muscle, also play an essential role in keeping your body properly functioning.

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